157310320

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3187}}^1$

素因数の和:3817

約数の個数: 40

約数和(自身を含む): 366454224

約数和(自身を除く): 209143904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 3187, 4936, 6170, 6374, 9872, 12340, 12748, 15935, 24680, 25496, 31870, 49360, 50992, 63740, 127480, 254960, 1966379, 3932758, 7865516, 9831895, 15731032, 19663790, 31462064, 39327580, 78655160, 157310320]

約数ペア:

[(1, 157310320), (2, 78655160), (4, 39327580), (5, 31462064), (8, 19663790), (10, 15731032), (16, 9831895), (20, 7865516), (40, 3932758), (80, 1966379), (617, 254960), (1234, 127480), (2468, 63740), (3085, 50992), (3187, 49360), (4936, 31870), (6170, 25496), (6374, 24680), (9872, 15935), (12340, 12748)]