64865080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231661}}^1$

素因数の和:231679

約数の個数: 32

約数和(自身を含む): 166796640

約数和(自身を除く): 101931560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231661, 463322, 926644, 1158305, 1621627, 1853288, 2316610, 3243254, 4633220, 6486508, 8108135, 9266440, 12973016, 16216270, 32432540, 64865080]

約数ペア:

[(1, 64865080), (2, 32432540), (4, 16216270), (5, 12973016), (7, 9266440), (8, 8108135), (10, 6486508), (14, 4633220), (20, 3243254), (28, 2316610), (35, 1853288), (40, 1621627), (56, 1158305), (70, 926644), (140, 463322), (280, 231661)]