1256558640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5235661}}^1$

素因数の和:5235677

約数の個数: 40

約数和(自身を含む): 3895332528

約数和(自身を除く): 2638773888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5235661, 10471322, 15706983, 20942644, 26178305, 31413966, 41885288, 52356610, 62827932, 78534915, 83770576, 104713220, 125655864, 157069830, 209426440, 251311728, 314139660, 418852880, 628279320, 1256558640]

約数ペア:

[(1, 1256558640), (2, 628279320), (3, 418852880), (4, 314139660), (5, 251311728), (6, 209426440), (8, 157069830), (10, 125655864), (12, 104713220), (15, 83770576), (16, 78534915), (20, 62827932), (24, 52356610), (30, 41885288), (40, 31413966), (48, 26178305), (60, 20942644), (80, 15706983), (120, 10471322), (240, 5235661)]