15287680

素因数分解:

$2^7\times 5^1\times {\mathrm{23887}}^1$

素因数の和:23906

約数の個数: 32

約数和(自身を含む): 36548640

約数和(自身を除く): 21260960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 23887, 47774, 95548, 119435, 191096, 238870, 382192, 477740, 764384, 955480, 1528768, 1910960, 3057536, 3821920, 7643840, 15287680]

約数ペア:

[(1, 15287680), (2, 7643840), (4, 3821920), (5, 3057536), (8, 1910960), (10, 1528768), (16, 955480), (20, 764384), (32, 477740), (40, 382192), (64, 238870), (80, 191096), (128, 119435), (160, 95548), (320, 47774), (640, 23887)]