405124280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1401

約数の個数: 128

約数和(自身を含む): 1079386560

約数和(自身を除く): 674262280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 187, 205, 220, 328, 340, 374, 410, 440, 451, 680, 697, 748, 820, 902, 935, 1321, 1394, 1496, 1640, 1804, 1870, 2255, 2642, 2788, 3485, 3608, 3740, 4510, 5284, 5576, 6605, 6970, 7480, 7667, 9020, 10568, 13210, 13940, 14531, 15334, 18040, 22457, 26420, 27880, 29062, 30668, 38335, 44914, 52840, 54161, 58124, 61336, 72655, 76670, 89828, 108322, 112285, 116248, 145310, 153340, 179656, 216644, 224570, 247027, 270805, 290620, 306680, 433288, 449140, 494054, 541610, 581240, 595771, 898280, 920737, 988108, 1083220, 1191542, 1235135, 1841474, 1976216, 2166440, 2383084, 2470270, 2978855, 3682948, 4603685, 4766168, 4940540, 5957710, 7365896, 9207370, 9881080, 10128107, 11915420, 18414740, 20256214, 23830840, 36829480, 40512428, 50640535, 81024856, 101281070, 202562140, 405124280]

約数ペア:

[(1, 405124280), (2, 202562140), (4, 101281070), (5, 81024856), (8, 50640535), (10, 40512428), (11, 36829480), (17, 23830840), (20, 20256214), (22, 18414740), (34, 11915420), (40, 10128107), (41, 9881080), (44, 9207370), (55, 7365896), (68, 5957710), (82, 4940540), (85, 4766168), (88, 4603685), (110, 3682948), (136, 2978855), (164, 2470270), (170, 2383084), (187, 2166440), (205, 1976216), (220, 1841474), (328, 1235135), (340, 1191542), (374, 1083220), (410, 988108), (440, 920737), (451, 898280), (680, 595771), (697, 581240), (748, 541610), (820, 494054), (902, 449140), (935, 433288), (1321, 306680), (1394, 290620), (1496, 270805), (1640, 247027), (1804, 224570), (1870, 216644), (2255, 179656), (2642, 153340), (2788, 145310), (3485, 116248), (3608, 112285), (3740, 108322), (4510, 89828), (5284, 76670), (5576, 72655), (6605, 61336), (6970, 58124), (7480, 54161), (7667, 52840), (9020, 44914), (10568, 38335), (13210, 30668), (13940, 29062), (14531, 27880), (15334, 26420), (18040, 22457)]