81862860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1364381}}^1$

素因数の和:1364393

約数の個数: 24

約数和(自身を含む): 229216176

約数和(自身を除く): 147353316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1364381, 2728762, 4093143, 5457524, 6821905, 8186286, 13643810, 16372572, 20465715, 27287620, 40931430, 81862860]

約数ペア:

[(1, 81862860), (2, 40931430), (3, 27287620), (4, 20465715), (5, 16372572), (6, 13643810), (10, 8186286), (12, 6821905), (15, 5457524), (20, 4093143), (30, 2728762), (60, 1364381)]