157029440

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{881}}^1$

素因数の和:1455

約数の個数: 56

約数和(自身を含む): 375022872

約数和(自身を除く): 217993432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 881, 1114, 1762, 2228, 2785, 3524, 4405, 4456, 5570, 7048, 8810, 8912, 11140, 14096, 17620, 17824, 22280, 28192, 35240, 35648, 44560, 56384, 70480, 89120, 140960, 178240, 281920, 490717, 981434, 1962868, 2453585, 3925736, 4907170, 7851472, 9814340, 15702944, 19628680, 31405888, 39257360, 78514720, 157029440]

約数ペア:

[(1, 157029440), (2, 78514720), (4, 39257360), (5, 31405888), (8, 19628680), (10, 15702944), (16, 9814340), (20, 7851472), (32, 4907170), (40, 3925736), (64, 2453585), (80, 1962868), (160, 981434), (320, 490717), (557, 281920), (881, 178240), (1114, 140960), (1762, 89120), (2228, 70480), (2785, 56384), (3524, 44560), (4405, 35648), (4456, 35240), (5570, 28192), (7048, 22280), (8810, 17824), (8912, 17620), (11140, 14096)]