71557360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127781}}^1$

素因数の和:127801

約数の個数: 40

約数和(自身を含む): 190139616

約数和(自身を除く): 118582256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127781, 255562, 511124, 638905, 894467, 1022248, 1277810, 1788934, 2044496, 2555620, 3577868, 4472335, 5111240, 7155736, 8944670, 10222480, 14311472, 17889340, 35778680, 71557360]

約数ペア:

[(1, 71557360), (2, 35778680), (4, 17889340), (5, 14311472), (7, 10222480), (8, 8944670), (10, 7155736), (14, 5111240), (16, 4472335), (20, 3577868), (28, 2555620), (35, 2044496), (40, 1788934), (56, 1277810), (70, 1022248), (80, 894467), (112, 638905), (140, 511124), (280, 255562), (560, 127781)]