331516920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{701}}^1$

素因数の和:1285

約数の個数: 128

約数和(自身を含む): 1140272640

約数和(自身を除く): 808755720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 563, 701, 840, 1126, 1402, 1689, 2103, 2252, 2804, 2815, 3378, 3505, 3941, 4206, 4504, 4907, 5608, 5630, 6756, 7010, 7882, 8412, 8445, 9814, 10515, 11260, 11823, 13512, 14020, 14721, 15764, 16824, 16890, 19628, 19705, 21030, 22520, 23646, 24535, 28040, 29442, 31528, 33780, 39256, 39410, 42060, 47292, 49070, 58884, 59115, 67560, 73605, 78820, 84120, 94584, 98140, 117768, 118230, 147210, 157640, 196280, 236460, 294420, 394663, 472920, 588840, 789326, 1183989, 1578652, 1973315, 2367978, 2762641, 3157304, 3946630, 4735956, 5525282, 5919945, 7893260, 8287923, 9471912, 11050564, 11839890, 13813205, 15786520, 16575846, 22101128, 23679780, 27626410, 33151692, 41439615, 47359560, 55252820, 66303384, 82879230, 110505640, 165758460, 331516920]

約数ペア:

[(1, 331516920), (2, 165758460), (3, 110505640), (4, 82879230), (5, 66303384), (6, 55252820), (7, 47359560), (8, 41439615), (10, 33151692), (12, 27626410), (14, 23679780), (15, 22101128), (20, 16575846), (21, 15786520), (24, 13813205), (28, 11839890), (30, 11050564), (35, 9471912), (40, 8287923), (42, 7893260), (56, 5919945), (60, 5525282), (70, 4735956), (84, 3946630), (105, 3157304), (120, 2762641), (140, 2367978), (168, 1973315), (210, 1578652), (280, 1183989), (420, 789326), (563, 588840), (701, 472920), (840, 394663), (1126, 294420), (1402, 236460), (1689, 196280), (2103, 157640), (2252, 147210), (2804, 118230), (2815, 117768), (3378, 98140), (3505, 94584), (3941, 84120), (4206, 78820), (4504, 73605), (4907, 67560), (5608, 59115), (5630, 58884), (6756, 49070), (7010, 47292), (7882, 42060), (8412, 39410), (8445, 39256), (9814, 33780), (10515, 31528), (11260, 29442), (11823, 28040), (13512, 24535), (14020, 23646), (14721, 22520), (15764, 21030), (16824, 19705), (16890, 19628)]