12781380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{213023}}^1$

素因数の和:213035

約数の個数: 24

約数和(自身を含む): 35788032

約数和(自身を除く): 23006652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 213023, 426046, 639069, 852092, 1065115, 1278138, 2130230, 2556276, 3195345, 4260460, 6390690, 12781380]

約数ペア:

[(1, 12781380), (2, 6390690), (3, 4260460), (4, 3195345), (5, 2556276), (6, 2130230), (10, 1278138), (12, 1065115), (15, 852092), (20, 639069), (30, 426046), (60, 213023)]