81136740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352279}}^1$

素因数の和:1352291

約数の個数: 24

約数和(自身を含む): 227183040

約数和(自身を除く): 146046300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352279, 2704558, 4056837, 5409116, 6761395, 8113674, 13522790, 16227348, 20284185, 27045580, 40568370, 81136740]

約数ペア:

[(1, 81136740), (2, 40568370), (3, 27045580), (4, 20284185), (5, 16227348), (6, 13522790), (10, 8113674), (12, 6761395), (15, 5409116), (20, 4056837), (30, 2704558), (60, 1352279)]