123657780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2060963}}^1$

素因数の和:2060975

約数の個数: 24

約数和(自身を含む): 346241952

約数和(自身を除く): 222584172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2060963, 4121926, 6182889, 8243852, 10304815, 12365778, 20609630, 24731556, 30914445, 41219260, 61828890, 123657780]

約数ペア:

[(1, 123657780), (2, 61828890), (3, 41219260), (4, 30914445), (5, 24731556), (6, 20609630), (10, 12365778), (12, 10304815), (15, 8243852), (20, 6182889), (30, 4121926), (60, 2060963)]