72530240

素因数分解:

$2^6\times 5^1\times {\mathrm{226657}}^1$

素因数の和:226674

約数の個数: 28

約数和(自身を含む): 172713396

約数和(自身を除く): 100183156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226657, 453314, 906628, 1133285, 1813256, 2266570, 3626512, 4533140, 7253024, 9066280, 14506048, 18132560, 36265120, 72530240]

約数ペア:

[(1, 72530240), (2, 36265120), (4, 18132560), (5, 14506048), (8, 9066280), (10, 7253024), (16, 4533140), (20, 3626512), (32, 2266570), (40, 1813256), (64, 1133285), (80, 906628), (160, 453314), (320, 226657)]