1285128420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21418807}}^1$

素因数の和:21418819

約数の個数: 24

約数和(自身を含む): 3598359744

約数和(自身を除く): 2313231324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21418807, 42837614, 64256421, 85675228, 107094035, 128512842, 214188070, 257025684, 321282105, 428376140, 642564210, 1285128420]

約数ペア:

[(1, 1285128420), (2, 642564210), (3, 428376140), (4, 321282105), (5, 257025684), (6, 214188070), (10, 128512842), (12, 107094035), (15, 85675228), (20, 64256421), (30, 42837614), (60, 21418807)]