80138220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1335637}}^1$

素因数の和:1335649

約数の個数: 24

約数和(自身を含む): 224387184

約数和(自身を除く): 144248964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1335637, 2671274, 4006911, 5342548, 6678185, 8013822, 13356370, 16027644, 20034555, 26712740, 40069110, 80138220]

約数ペア:

[(1, 80138220), (2, 40069110), (3, 26712740), (4, 20034555), (5, 16027644), (6, 13356370), (10, 8013822), (12, 6678185), (15, 5342548), (20, 4006911), (30, 2671274), (60, 1335637)]