1520402680

素因数分解:

$2^3\times 5^1\times {\mathrm{6991}}^1\times {\mathrm{5437}}^1$

素因数の和:12439

約数の個数: 32

約数和(自身を含む): 3422024640

約数和(自身を除く): 1901621960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5437, 6991, 10874, 13982, 21748, 27185, 27964, 34955, 43496, 54370, 55928, 69910, 108740, 139820, 217480, 279640, 38010067, 76020134, 152040268, 190050335, 304080536, 380100670, 760201340, 1520402680]

約数ペア:

[(1, 1520402680), (2, 760201340), (4, 380100670), (5, 304080536), (8, 190050335), (10, 152040268), (20, 76020134), (40, 38010067), (5437, 279640), (6991, 217480), (10874, 139820), (13982, 108740), (21748, 69910), (27185, 55928), (27964, 54370), (34955, 43496)]