154440640

素因数分解:

$2^6\times 5^1\times {\mathrm{482627}}^1$

素因数の和:482644

約数の個数: 28

約数和(自身を含む): 367762536

約数和(自身を除く): 213321896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 482627, 965254, 1930508, 2413135, 3861016, 4826270, 7722032, 9652540, 15444064, 19305080, 30888128, 38610160, 77220320, 154440640]

約数ペア:

[(1, 154440640), (2, 77220320), (4, 38610160), (5, 30888128), (8, 19305080), (10, 15444064), (16, 9652540), (20, 7722032), (32, 4826270), (40, 3861016), (64, 2413135), (80, 1930508), (160, 965254), (320, 482627)]