61642280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{220151}}^1$

素因数の和:220169

約数の個数: 32

約数和(自身を含む): 158509440

約数和(自身を除く): 96867160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 220151, 440302, 880604, 1100755, 1541057, 1761208, 2201510, 3082114, 4403020, 6164228, 7705285, 8806040, 12328456, 15410570, 30821140, 61642280]

約数ペア:

[(1, 61642280), (2, 30821140), (4, 15410570), (5, 12328456), (7, 8806040), (8, 7705285), (10, 6164228), (14, 4403020), (20, 3082114), (28, 2201510), (35, 1761208), (40, 1541057), (56, 1100755), (70, 880604), (140, 440302), (280, 220151)]