72155380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{327979}}^1$

素因数の和:327999

約数の個数: 24

約数和(自身を含む): 165301920

約数和(自身を除く): 93146540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 327979, 655958, 1311916, 1639895, 3279790, 3607769, 6559580, 7215538, 14431076, 18038845, 36077690, 72155380]

約数ペア:

[(1, 72155380), (2, 36077690), (4, 18038845), (5, 14431076), (10, 7215538), (11, 6559580), (20, 3607769), (22, 3279790), (44, 1639895), (55, 1311916), (110, 655958), (220, 327979)]