81445620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1357427}}^1$

素因数の和:1357439

約数の個数: 24

約数和(自身を含む): 228047904

約数和(自身を除く): 146602284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1357427, 2714854, 4072281, 5429708, 6787135, 8144562, 13574270, 16289124, 20361405, 27148540, 40722810, 81445620]

約数ペア:

[(1, 81445620), (2, 40722810), (3, 27148540), (4, 20361405), (5, 16289124), (6, 13574270), (10, 8144562), (12, 6787135), (15, 5429708), (20, 4072281), (30, 2714854), (60, 1357427)]