156907720

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3067}}^1$

素因数の和:4357

約数の個数: 32

約数和(自身を含む): 353433600

約数和(自身を除く): 196525880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 3067, 5116, 6134, 6395, 10232, 12268, 12790, 15335, 24536, 25580, 30670, 51160, 61340, 122680, 3922693, 7845386, 15690772, 19613465, 31381544, 39226930, 78453860, 156907720]

約数ペア:

[(1, 156907720), (2, 78453860), (4, 39226930), (5, 31381544), (8, 19613465), (10, 15690772), (20, 7845386), (40, 3922693), (1279, 122680), (2558, 61340), (3067, 51160), (5116, 30670), (6134, 25580), (6395, 24536), (10232, 15335), (12268, 12790)]