18581520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 58121280

約数和(自身を除く): 39539760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 557, 695, 834, 1112, 1114, 1390, 1668, 1671, 2085, 2224, 2228, 2780, 2785, 3336, 3342, 4170, 4456, 5560, 5570, 6672, 6684, 8340, 8355, 8912, 11120, 11140, 13368, 16680, 16710, 22280, 26736, 33360, 33420, 44560, 66840, 77423, 133680, 154846, 232269, 309692, 387115, 464538, 619384, 774230, 929076, 1161345, 1238768, 1548460, 1858152, 2322690, 3096920, 3716304, 4645380, 6193840, 9290760, 18581520]

約数ペア:

[(1, 18581520), (2, 9290760), (3, 6193840), (4, 4645380), (5, 3716304), (6, 3096920), (8, 2322690), (10, 1858152), (12, 1548460), (15, 1238768), (16, 1161345), (20, 929076), (24, 774230), (30, 619384), (40, 464538), (48, 387115), (60, 309692), (80, 232269), (120, 154846), (139, 133680), (240, 77423), (278, 66840), (417, 44560), (556, 33420), (557, 33360), (695, 26736), (834, 22280), (1112, 16710), (1114, 16680), (1390, 13368), (1668, 11140), (1671, 11120), (2085, 8912), (2224, 8355), (2228, 8340), (2780, 6684), (2785, 6672), (3336, 5570), (3342, 5560), (4170, 4456)]