77755640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 106103560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 223, 230, 379, 446, 460, 758, 892, 920, 1115, 1516, 1784, 1895, 2230, 3032, 3790, 4460, 5129, 7580, 8717, 8920, 10258, 15160, 17434, 20516, 25645, 34868, 41032, 43585, 51290, 69736, 84517, 87170, 102580, 169034, 174340, 205160, 338068, 348680, 422585, 676136, 845170, 1690340, 1943891, 3380680, 3887782, 7775564, 9719455, 15551128, 19438910, 38877820, 77755640]

約数ペア:

[(1, 77755640), (2, 38877820), (4, 19438910), (5, 15551128), (8, 9719455), (10, 7775564), (20, 3887782), (23, 3380680), (40, 1943891), (46, 1690340), (92, 845170), (115, 676136), (184, 422585), (223, 348680), (230, 338068), (379, 205160), (446, 174340), (460, 169034), (758, 102580), (892, 87170), (920, 84517), (1115, 69736), (1516, 51290), (1784, 43585), (1895, 41032), (2230, 34868), (3032, 25645), (3790, 20516), (4460, 17434), (5129, 15160), (7580, 10258), (8717, 8920)]