61982960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 156927456

約数和(自身を除く): 94944496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 557, 856, 1040, 1070, 1114, 1391, 1712, 2140, 2228, 2782, 2785, 4280, 4456, 5564, 5570, 6955, 7241, 8560, 8912, 11128, 11140, 13910, 14482, 22256, 22280, 27820, 28964, 36205, 44560, 55640, 57928, 59599, 72410, 111280, 115856, 119198, 144820, 238396, 289640, 297995, 476792, 579280, 595990, 774787, 953584, 1191980, 1549574, 2383960, 3099148, 3873935, 4767920, 6198296, 7747870, 12396592, 15495740, 30991480, 61982960]

約数ペア:

[(1, 61982960), (2, 30991480), (4, 15495740), (5, 12396592), (8, 7747870), (10, 6198296), (13, 4767920), (16, 3873935), (20, 3099148), (26, 2383960), (40, 1549574), (52, 1191980), (65, 953584), (80, 774787), (104, 595990), (107, 579280), (130, 476792), (208, 297995), (214, 289640), (260, 238396), (428, 144820), (520, 119198), (535, 115856), (557, 111280), (856, 72410), (1040, 59599), (1070, 57928), (1114, 55640), (1391, 44560), (1712, 36205), (2140, 28964), (2228, 27820), (2782, 22280), (2785, 22256), (4280, 14482), (4456, 13910), (5564, 11140), (5570, 11128), (6955, 8912), (7241, 8560)]