123457890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4115263}}^1$

素因数の和:4115273

約数の個数: 16

約数和(自身を含む): 296299008

約数和(自身を除く): 172841118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4115263, 8230526, 12345789, 20576315, 24691578, 41152630, 61728945, 123457890]

約数ペア:

[(1, 123457890), (2, 61728945), (3, 41152630), (5, 24691578), (6, 20576315), (10, 12345789), (15, 8230526), (30, 4115263)]