15679891640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1\times {\mathrm{1163}}^1$

素因数の和:1629

約数の個数: 128

約数和(自身を含む): 40730688000

約数和(自身を除く): 25050796360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 269, 280, 358, 538, 716, 895, 1076, 1163, 1253, 1345, 1432, 1790, 1883, 2152, 2326, 2506, 2690, 3580, 3766, 4652, 5012, 5380, 5815, 6265, 7160, 7532, 8141, 9304, 9415, 10024, 10760, 11630, 12530, 15064, 16282, 18830, 23260, 25060, 32564, 37660, 40705, 46520, 48151, 50120, 65128, 75320, 81410, 96302, 162820, 192604, 208177, 240755, 312847, 325640, 337057, 385208, 416354, 481510, 625694, 674114, 832708, 963020, 1040885, 1251388, 1348228, 1457239, 1564235, 1665416, 1685285, 1926040, 2081770, 2189929, 2502776, 2696456, 2914478, 3128470, 3370570, 4163540, 4379858, 5828956, 6256940, 6741140, 7286195, 8327080, 8759716, 10949645, 11657912, 12513880, 13482280, 14572390, 17519432, 21899290, 29144780, 43798580, 55999613, 58289560, 87597160, 111999226, 223998452, 279998065, 391997291, 447996904, 559996130, 783994582, 1119992260, 1567989164, 1959986455, 2239984520, 3135978328, 3919972910, 7839945820, 15679891640]

約数ペア:

[(1, 15679891640), (2, 7839945820), (4, 3919972910), (5, 3135978328), (7, 2239984520), (8, 1959986455), (10, 1567989164), (14, 1119992260), (20, 783994582), (28, 559996130), (35, 447996904), (40, 391997291), (56, 279998065), (70, 223998452), (140, 111999226), (179, 87597160), (269, 58289560), (280, 55999613), (358, 43798580), (538, 29144780), (716, 21899290), (895, 17519432), (1076, 14572390), (1163, 13482280), (1253, 12513880), (1345, 11657912), (1432, 10949645), (1790, 8759716), (1883, 8327080), (2152, 7286195), (2326, 6741140), (2506, 6256940), (2690, 5828956), (3580, 4379858), (3766, 4163540), (4652, 3370570), (5012, 3128470), (5380, 2914478), (5815, 2696456), (6265, 2502776), (7160, 2189929), (7532, 2081770), (8141, 1926040), (9304, 1685285), (9415, 1665416), (10024, 1564235), (10760, 1457239), (11630, 1348228), (12530, 1251388), (15064, 1040885), (16282, 963020), (18830, 832708), (23260, 674114), (25060, 625694), (32564, 481510), (37660, 416354), (40705, 385208), (46520, 337057), (48151, 325640), (50120, 312847), (65128, 240755), (75320, 208177), (81410, 192604), (96302, 162820)]