15890840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 44928000

約数和(自身を除く): 29037160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 103, 116, 133, 140, 145, 152, 190, 203, 206, 232, 266, 280, 290, 380, 406, 412, 515, 532, 551, 580, 665, 721, 760, 812, 824, 1015, 1030, 1064, 1102, 1160, 1330, 1442, 1624, 1957, 2030, 2060, 2204, 2660, 2755, 2884, 2987, 3605, 3857, 3914, 4060, 4120, 4408, 5320, 5510, 5768, 5974, 7210, 7714, 7828, 8120, 9785, 11020, 11948, 13699, 14420, 14935, 15428, 15656, 19285, 19570, 20909, 22040, 23896, 27398, 28840, 29870, 30856, 38570, 39140, 41818, 54796, 56753, 59740, 68495, 77140, 78280, 83636, 104545, 109592, 113506, 119480, 136990, 154280, 167272, 209090, 227012, 273980, 283765, 397271, 418180, 454024, 547960, 567530, 794542, 836360, 1135060, 1589084, 1986355, 2270120, 3178168, 3972710, 7945420, 15890840]

約数ペア:

[(1, 15890840), (2, 7945420), (4, 3972710), (5, 3178168), (7, 2270120), (8, 1986355), (10, 1589084), (14, 1135060), (19, 836360), (20, 794542), (28, 567530), (29, 547960), (35, 454024), (38, 418180), (40, 397271), (56, 283765), (58, 273980), (70, 227012), (76, 209090), (95, 167272), (103, 154280), (116, 136990), (133, 119480), (140, 113506), (145, 109592), (152, 104545), (190, 83636), (203, 78280), (206, 77140), (232, 68495), (266, 59740), (280, 56753), (290, 54796), (380, 41818), (406, 39140), (412, 38570), (515, 30856), (532, 29870), (551, 28840), (580, 27398), (665, 23896), (721, 22040), (760, 20909), (812, 19570), (824, 19285), (1015, 15656), (1030, 15428), (1064, 14935), (1102, 14420), (1160, 13699), (1330, 11948), (1442, 11020), (1624, 9785), (1957, 8120), (2030, 7828), (2060, 7714), (2204, 7210), (2660, 5974), (2755, 5768), (2884, 5510), (2987, 5320), (3605, 4408), (3857, 4120), (3914, 4060)]