所有的自然數都是1的倍數。
倍數:
1、一個整數能夠被另一個整數整除,這個整數就是另一整數的倍數。如15能夠被3或5整除,因此15是3的倍數,也是5的倍數。
2、一個數除以另一數所得的商。如a÷b=c,就是說,a是b的倍數。例如:A÷B=C,就可以說A是B的C倍。
3、數的倍數有無數個,也就是說一個數的倍數的集合為無限集。 注意:不能把一個數單獨叫做倍數,只能說誰是誰的倍數。
1的倍數:1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9/1的因數: 1
2的倍數:2 - 4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 /2的因數: 1 - 2
3的倍數:3-6-9-12-15-18-21-24-27 / 3的因數: 1 - 3
4的倍數:4 - 8 - 12 - 16 - 20 - 24 - 28 - 32 - 36 / 4的因數: 1-2-4
5的倍數:5 - 10 - 15 - 20 - 25 - 30 - 35 - 40 - 45 / 5的因數: 1 - 5
6的倍數:6 - 12 - 18 - 24 - 30 - 36 - 42 - 48 - 54 / 6的因數: 1 - 2 - 3 - 6
7的倍數:7 - 14 - 21 - 28 - 35 - 42 - 49 - 56 - 63 / 7的因數: 1 - 7
8的倍數:8 - 16 - 24 - 32 - 40 - 48 - 56 - 64 - 72 / 8的因數: 1 - 2 - 4 - 8
9的倍數:9 - 18 - 27 - 36 - 45 - 54 - 63 - 72 - 81 / 9的因數: 1 - 3 - 9 10的倍數:10 - 20 - 30 - 40 - 50 - 60 - 70 - 80 - 90 / 10的因數:1 - 2 - 5 - 10 11的倍數:11-22-33-44-55-66-77-88-99/11的因數:1-11 12的倍數:12-24-36-48-60-72-84-96-108/12的因數:1-2-3-4-6-12
13的倍數:13-26-39-52-65-78-91-104-117/13的因數:1-13
14的倍數:14-28-42-56-70-84-98-112-126/14的因數:1-2-7-14
15的倍數:15,30,45,60,75,90,105,120,135/15的因數:1,3,5,15
16的倍數:16,32,48,64,80,96,112,128,144/16的因數:1,2,4,8,16
17的倍數:17,34,51,68,85,102,119,136,153/17的因數:1,17
18的倍數:18,36,54,72,90,108,126,144,162/18的因數:1,2,3,6,9,18
19的倍數:19,38,57,76,95,114,133,152,171/19的因數:1,19
20的倍數:20,40,60,80,100,120,140,160,180/20的因數:1,2,4,5,10,20
21的倍數:21,42,63,84,105,126,147,168,189/21的因數:1,3,7,21
22的倍數:22,44,66,88,110,132,154,176,198/22的因數:1,2,11,22
23的倍數:23,46,69,92,115,138,161,184,207/23的因數:1,23
24的倍數:24,48,72,96,120,144,168,192,216/24的因數:1,2,3,4,6,8,12,24
25的倍數:25,50,75,100,125,150,175,200,225/25的因數:1,5,25
26的倍數:26,52,78,104,130,156,182,208,234/26的因數:1,2,13,26
27的倍數:27,54,81,108,135,162,189,216,243/27的因數:1,3,9,27
28的倍數:28,56,84,112,140,168,196,224,252/28的因數:1,2,4,7,14,28
29的倍數:29,58,87,116,145,174,203,232,261/29的因數:1,29
30的倍數:30,60,90,120,150,180,210,240,270/30的因數:1,2,3,5,6,10,15,30
31的倍數:31,62,93,124,155,186,217,248,279/31的因數:1,31
32的倍數:32,64,96,128,160,192,224,256,288/32的因數:1,2,4,8,16,32
33的倍數:33,66,99,132,165,198,231,264,297/33的因數:1,3,11,33
34的倍數:34,68,102,136,170,204,238,272,306/34的因數:1,2,17,34
35的倍數:35,70,105,140,175,210,245,280,315/35的因數:1,5,7,35
36的倍數:36,72,108,144,180,216,252,288,324/36的因數:1,2,3,4,6,9,12,18,36
37的倍數:37,74,111,148,185,222,259,296,333/37的因數:1,37
38的倍數:38,76,114,152,190,228,266,304,342/38的因數:1,2,19,38
39的倍數:39,78,117,156,195,234,273,312,351/39的因數:1,3,13,39
40的倍數:40,80,120,160,200,240,280,320,360/40的因數:1,2,4,5,8,10,20,40
41的倍數:41,82,123,164,205,246,287,328,369/41的因數:1,41
42的倍數:42,84,126,168,210,252,294,336,378/42的因數:1,2,3,6,7,14,21,42
43的倍數:43,86,129,172,215,258,301,344,387/43的因數:1,43
44的倍數:44,88,132,176,220,264,308,352,396/44的因數:1,2,4,11,22,44
45的倍數:45,90,135,180,225,270,315,360,405/45的因數:1,3,5,9,15,45
46的倍數:46,92,138,184,230,276,322,368,414/46的因數:1,2,23,46
47的倍數:47,94,141,188,235,282,329,376,423/47的因數:1,47
48的倍數:48,96,144,192,240,288,336,384,432/48的因數:1,2,3,4,6,8,12,16,24,48
49的倍數:49,98,147,196,245,294,343,392,441/49的因數:1,7,49
50的倍數:50,100,150,200,250,300,350,400,450/50的因數:1,2,5,10,25,50
51的倍數:51,102,153,204,255,306,357,408,459/51的因數:1,3,17,51
52的倍數:52,104,156,208,260,312,364,416,468/52的因數:1,2,4,13,26,52
53的倍數:53,106,159,212,265,318,371,424,477/53的因數:1,53
54的倍數:54,108,162,216,270,324,378,432,486/54的因數:1,2,3,6,9,18,27,54
55的倍數:55,110,165,220,275,330,385,440,495/55的因數:1,5,11,55
56的倍數:56,112,168,224,280,336,392,448,504/56的因數:1,2,4,7,8,14,28,56
57的倍數:57,114,171,228,285,342,399,456,513/57的因數:1,3,19,57
58的倍數:58,116,174,232,290,348,406,464,522/58的因數:1,2,29,58
59的倍數:59,118,177,236,295,354,413,472,531/59的因數:1,59
60的倍數:60,120,180,240,300,360,420,480,540/60的因數:1,2,3,4,5,6,10,12,15,20,30,60
61的倍數:61,122,183,244,305,366,427,488,549/61的因數:1,61
62的倍數:62,124,186,248,310,372,434,496,558/62的因數:1,2,31,62
63的倍數:63,126,189,252,315,378,441,504,567/63的因數:1,3,7,9,21,63
64的倍數:64,128,192,256,320,384,448,512,576/64的因數:1,2,4,8,16,32,64
65的倍數:65,130,195,260,325,390,455,520,585/65的因數:1,5,13,65
66的倍數:66,132,198,264,330,396,462,528,594/66的因數:1,2,3,6,11,22,33,66
67的倍數:67,134,201,268,335,402,469,536,603/67的因數:1,67
68的倍數:68,136,204,272,340,408,476,544,612/68的因數:1,2,4,17,34,68
69的倍數:69,138,207,276,345,414,483,552,621/69的因數:1,3,23,69
70的倍數:70,140,210,280,350,420,490,560,630/70的因數:1,2,5,7,10,14,35,70
71的倍數:71,142,213,284,355,426,497,568,639/71的因數:1,71
72的倍數:72,144,216,288,360,432,504,576,648/72的因數:1,2,3,4,6,8,9,12,18,24,36,72
73的倍數:73,146,219,292,365,438,511,584,657/73的因數:1,73
74的倍數:74,148,222,296,370,444,518,592,666/74的因數:1,2,37,74
75的倍數:75,150,225,300,375,450,525,600,675/75的因數:1,3,5,15,25,75
76的倍數:76,152,228,304,380,456,532,608,684/76的因數:1,2,4,19,38,76
77的倍數:77,154,231,308,385,462,539,616,693/77的因數:1,7,11,77
78的倍數:78,156,234,312,390,468,546,624,702/78的因數:1,2,3,6,13,26,39,78
79的倍數:79,158,237,316,395,474,553,632,711/79的因數:1,79
80的倍數:80,160,240,320,400,480,560,640,720/80的因數:1,2,4,5,8,10,16,20,40,80
81的倍數:81,162,243,324,405,486,567,648,729/81的因數:1,3,9,27,81
82的倍數:82,164,246,328,410,492,574,656,738/82的因數:1,2,41,82
83的倍數:83,166,249,332,415,498,581,664,747/83的因數:1,83
84的倍數:84,168,252,336,420,504,588,672,756/84的因數:1,2,3,4,6,7,12,14,21,28,42,84
85的倍數:85,170,255,340,425,510,595,680,765/85的因數:1,5,17,85
86的倍數:86,172,258,344,430,516,602,688,774/86的因數:1,2,43,86
87的倍數:87,174,261,348,435,522,609,696,783/87的因數:1,3,29,87
88的倍數:88,176,264,352,440,528,616,704,792/88的因數:1,2,4,8,11,22,44,88
89的倍數:89,178,267,356,445,534,623,712,801/89的因數:1,89
90的倍數:90,180,270,360,450,540,630,720,810/90的因數:1,2,3,5,6,9,10,15,18,30,45,90
91的倍數:91,182,273,364,455,546,637,728,819/91的因數:1,7,13,91
92的倍數:92,184,276,368,460,552,644,736,828/92的因數:1,2,4,23,46,92
93的倍數:93,186,279,372,465,558,651,744,837/93的因數:1,3,31,93
94的倍數:94,188,282,376,470,564,658,752,846/94的因數:1,2,47,94
95的倍數:95,190,285,380,475,570,665,760,855/95的因數:1,5,19,95
96的倍數:96,192,288,384,480,576,672,768,864/96的因數:1,2,3,4,6,8,12,16,24,32,48,96
97的倍數:97,194,291,388,485,582,679,776,873/97的因數:1,97
98的倍數:98,196,294,392,490,588,686,784,882/98的因數:1,2,7,14,49,98
99的倍數:99,198,297,396,495,594,693,792,891/99的因數:1,3,9,11,33,99
100的倍數:100,200,300,400,500,600,700,800,900/100的因數:1,2,4,5,10,20,25,50,100
所有的自然數都是1的倍數。
倍數:
1、一個整數能夠被另一個整數整除,這個整數就是另一整數的倍數。如15能夠被3或5整除,因此15是3的倍數,也是5的倍數。
2、一個數除以另一數所得的商。如a÷b=c,就是說,a是b的倍數。例如:A÷B=C,就可以說A是B的C倍。
3、數的倍數有無數個,也就是說一個數的倍數的集合為無限集。 注意:不能把一個數單獨叫做倍數,只能說誰是誰的倍數。
1的倍數:1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9/1的因數: 1
2的倍數:2 - 4 - 6 - 8 - 10 - 12 - 14 - 16 - 18 /2的因數: 1 - 2
3的倍數:3-6-9-12-15-18-21-24-27 / 3的因數: 1 - 3
4的倍數:4 - 8 - 12 - 16 - 20 - 24 - 28 - 32 - 36 / 4的因數: 1-2-4
5的倍數:5 - 10 - 15 - 20 - 25 - 30 - 35 - 40 - 45 / 5的因數: 1 - 5
6的倍數:6 - 12 - 18 - 24 - 30 - 36 - 42 - 48 - 54 / 6的因數: 1 - 2 - 3 - 6
7的倍數:7 - 14 - 21 - 28 - 35 - 42 - 49 - 56 - 63 / 7的因數: 1 - 7
8的倍數:8 - 16 - 24 - 32 - 40 - 48 - 56 - 64 - 72 / 8的因數: 1 - 2 - 4 - 8
9的倍數:9 - 18 - 27 - 36 - 45 - 54 - 63 - 72 - 81 / 9的因數: 1 - 3 - 9 10的倍數:10 - 20 - 30 - 40 - 50 - 60 - 70 - 80 - 90 / 10的因數:1 - 2 - 5 - 10 11的倍數:11-22-33-44-55-66-77-88-99/11的因數:1-11 12的倍數:12-24-36-48-60-72-84-96-108/12的因數:1-2-3-4-6-12
13的倍數:13-26-39-52-65-78-91-104-117/13的因數:1-13
14的倍數:14-28-42-56-70-84-98-112-126/14的因數:1-2-7-14
15的倍數:15,30,45,60,75,90,105,120,135/15的因數:1,3,5,15
16的倍數:16,32,48,64,80,96,112,128,144/16的因數:1,2,4,8,16
17的倍數:17,34,51,68,85,102,119,136,153/17的因數:1,17
18的倍數:18,36,54,72,90,108,126,144,162/18的因數:1,2,3,6,9,18
19的倍數:19,38,57,76,95,114,133,152,171/19的因數:1,19
20的倍數:20,40,60,80,100,120,140,160,180/20的因數:1,2,4,5,10,20
21的倍數:21,42,63,84,105,126,147,168,189/21的因數:1,3,7,21
22的倍數:22,44,66,88,110,132,154,176,198/22的因數:1,2,11,22
23的倍數:23,46,69,92,115,138,161,184,207/23的因數:1,23
24的倍數:24,48,72,96,120,144,168,192,216/24的因數:1,2,3,4,6,8,12,24
25的倍數:25,50,75,100,125,150,175,200,225/25的因數:1,5,25
26的倍數:26,52,78,104,130,156,182,208,234/26的因數:1,2,13,26
27的倍數:27,54,81,108,135,162,189,216,243/27的因數:1,3,9,27
28的倍數:28,56,84,112,140,168,196,224,252/28的因數:1,2,4,7,14,28
29的倍數:29,58,87,116,145,174,203,232,261/29的因數:1,29
30的倍數:30,60,90,120,150,180,210,240,270/30的因數:1,2,3,5,6,10,15,30
31的倍數:31,62,93,124,155,186,217,248,279/31的因數:1,31
32的倍數:32,64,96,128,160,192,224,256,288/32的因數:1,2,4,8,16,32
33的倍數:33,66,99,132,165,198,231,264,297/33的因數:1,3,11,33
34的倍數:34,68,102,136,170,204,238,272,306/34的因數:1,2,17,34
35的倍數:35,70,105,140,175,210,245,280,315/35的因數:1,5,7,35
36的倍數:36,72,108,144,180,216,252,288,324/36的因數:1,2,3,4,6,9,12,18,36
37的倍數:37,74,111,148,185,222,259,296,333/37的因數:1,37
38的倍數:38,76,114,152,190,228,266,304,342/38的因數:1,2,19,38
39的倍數:39,78,117,156,195,234,273,312,351/39的因數:1,3,13,39
40的倍數:40,80,120,160,200,240,280,320,360/40的因數:1,2,4,5,8,10,20,40
41的倍數:41,82,123,164,205,246,287,328,369/41的因數:1,41
42的倍數:42,84,126,168,210,252,294,336,378/42的因數:1,2,3,6,7,14,21,42
43的倍數:43,86,129,172,215,258,301,344,387/43的因數:1,43
44的倍數:44,88,132,176,220,264,308,352,396/44的因數:1,2,4,11,22,44
45的倍數:45,90,135,180,225,270,315,360,405/45的因數:1,3,5,9,15,45
46的倍數:46,92,138,184,230,276,322,368,414/46的因數:1,2,23,46
47的倍數:47,94,141,188,235,282,329,376,423/47的因數:1,47
48的倍數:48,96,144,192,240,288,336,384,432/48的因數:1,2,3,4,6,8,12,16,24,48
49的倍數:49,98,147,196,245,294,343,392,441/49的因數:1,7,49
50的倍數:50,100,150,200,250,300,350,400,450/50的因數:1,2,5,10,25,50
51的倍數:51,102,153,204,255,306,357,408,459/51的因數:1,3,17,51
52的倍數:52,104,156,208,260,312,364,416,468/52的因數:1,2,4,13,26,52
53的倍數:53,106,159,212,265,318,371,424,477/53的因數:1,53
54的倍數:54,108,162,216,270,324,378,432,486/54的因數:1,2,3,6,9,18,27,54
55的倍數:55,110,165,220,275,330,385,440,495/55的因數:1,5,11,55
56的倍數:56,112,168,224,280,336,392,448,504/56的因數:1,2,4,7,8,14,28,56
57的倍數:57,114,171,228,285,342,399,456,513/57的因數:1,3,19,57
58的倍數:58,116,174,232,290,348,406,464,522/58的因數:1,2,29,58
59的倍數:59,118,177,236,295,354,413,472,531/59的因數:1,59
60的倍數:60,120,180,240,300,360,420,480,540/60的因數:1,2,3,4,5,6,10,12,15,20,30,60
61的倍數:61,122,183,244,305,366,427,488,549/61的因數:1,61
62的倍數:62,124,186,248,310,372,434,496,558/62的因數:1,2,31,62
63的倍數:63,126,189,252,315,378,441,504,567/63的因數:1,3,7,9,21,63
64的倍數:64,128,192,256,320,384,448,512,576/64的因數:1,2,4,8,16,32,64
65的倍數:65,130,195,260,325,390,455,520,585/65的因數:1,5,13,65
66的倍數:66,132,198,264,330,396,462,528,594/66的因數:1,2,3,6,11,22,33,66
67的倍數:67,134,201,268,335,402,469,536,603/67的因數:1,67
68的倍數:68,136,204,272,340,408,476,544,612/68的因數:1,2,4,17,34,68
69的倍數:69,138,207,276,345,414,483,552,621/69的因數:1,3,23,69
70的倍數:70,140,210,280,350,420,490,560,630/70的因數:1,2,5,7,10,14,35,70
71的倍數:71,142,213,284,355,426,497,568,639/71的因數:1,71
72的倍數:72,144,216,288,360,432,504,576,648/72的因數:1,2,3,4,6,8,9,12,18,24,36,72
73的倍數:73,146,219,292,365,438,511,584,657/73的因數:1,73
74的倍數:74,148,222,296,370,444,518,592,666/74的因數:1,2,37,74
75的倍數:75,150,225,300,375,450,525,600,675/75的因數:1,3,5,15,25,75
76的倍數:76,152,228,304,380,456,532,608,684/76的因數:1,2,4,19,38,76
77的倍數:77,154,231,308,385,462,539,616,693/77的因數:1,7,11,77
78的倍數:78,156,234,312,390,468,546,624,702/78的因數:1,2,3,6,13,26,39,78
79的倍數:79,158,237,316,395,474,553,632,711/79的因數:1,79
80的倍數:80,160,240,320,400,480,560,640,720/80的因數:1,2,4,5,8,10,16,20,40,80
81的倍數:81,162,243,324,405,486,567,648,729/81的因數:1,3,9,27,81
82的倍數:82,164,246,328,410,492,574,656,738/82的因數:1,2,41,82
83的倍數:83,166,249,332,415,498,581,664,747/83的因數:1,83
84的倍數:84,168,252,336,420,504,588,672,756/84的因數:1,2,3,4,6,7,12,14,21,28,42,84
85的倍數:85,170,255,340,425,510,595,680,765/85的因數:1,5,17,85
86的倍數:86,172,258,344,430,516,602,688,774/86的因數:1,2,43,86
87的倍數:87,174,261,348,435,522,609,696,783/87的因數:1,3,29,87
88的倍數:88,176,264,352,440,528,616,704,792/88的因數:1,2,4,8,11,22,44,88
89的倍數:89,178,267,356,445,534,623,712,801/89的因數:1,89
90的倍數:90,180,270,360,450,540,630,720,810/90的因數:1,2,3,5,6,9,10,15,18,30,45,90
91的倍數:91,182,273,364,455,546,637,728,819/91的因數:1,7,13,91
92的倍數:92,184,276,368,460,552,644,736,828/92的因數:1,2,4,23,46,92
93的倍數:93,186,279,372,465,558,651,744,837/93的因數:1,3,31,93
94的倍數:94,188,282,376,470,564,658,752,846/94的因數:1,2,47,94
95的倍數:95,190,285,380,475,570,665,760,855/95的因數:1,5,19,95
96的倍數:96,192,288,384,480,576,672,768,864/96的因數:1,2,3,4,6,8,12,16,24,32,48,96
97的倍數:97,194,291,388,485,582,679,776,873/97的因數:1,97
98的倍數:98,196,294,392,490,588,686,784,882/98的因數:1,2,7,14,49,98
99的倍數:99,198,297,396,495,594,693,792,891/99的因數:1,3,9,11,33,99
100的倍數:100,200,300,400,500,600,700,800,900/100的因數:1,2,4,5,10,20,25,50,100