64747480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231241}}^1$

素因数の和:231259

約数の個数: 32

約数和(自身を含む): 166494240

約数和(自身を除く): 101746760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231241, 462482, 924964, 1156205, 1618687, 1849928, 2312410, 3237374, 4624820, 6474748, 8093435, 9249640, 12949496, 16186870, 32373740, 64747480]

約数ペア:

[(1, 64747480), (2, 32373740), (4, 16186870), (5, 12949496), (7, 9249640), (8, 8093435), (10, 6474748), (14, 4624820), (20, 3237374), (28, 2312410), (35, 1849928), (40, 1618687), (56, 1156205), (70, 924964), (140, 462482), (280, 231241)]