66355960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 163814400

約数和(自身を除く): 97458440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 631, 956, 1195, 1262, 1912, 2390, 2524, 2629, 3155, 4780, 5048, 5258, 6310, 6941, 9560, 10516, 12620, 13145, 13882, 21032, 25240, 26290, 27764, 34705, 52580, 55528, 69410, 105160, 138820, 150809, 277640, 301618, 603236, 754045, 1206472, 1508090, 1658899, 3016180, 3317798, 6032360, 6635596, 8294495, 13271192, 16588990, 33177980, 66355960]

約数ペア:

[(1, 66355960), (2, 33177980), (4, 16588990), (5, 13271192), (8, 8294495), (10, 6635596), (11, 6032360), (20, 3317798), (22, 3016180), (40, 1658899), (44, 1508090), (55, 1206472), (88, 754045), (110, 603236), (220, 301618), (239, 277640), (440, 150809), (478, 138820), (631, 105160), (956, 69410), (1195, 55528), (1262, 52580), (1912, 34705), (2390, 27764), (2524, 26290), (2629, 25240), (3155, 21032), (4780, 13882), (5048, 13145), (5258, 12620), (6310, 10516), (6941, 9560)]