128508420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2141807}}^1$

素因数の和:2141819

約数の個数: 24

約数和(自身を含む): 359823744

約数和(自身を除く): 231315324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2141807, 4283614, 6425421, 8567228, 10709035, 12850842, 21418070, 25701684, 32127105, 42836140, 64254210, 128508420]

約数ペア:

[(1, 128508420), (2, 64254210), (3, 42836140), (4, 32127105), (5, 25701684), (6, 21418070), (10, 12850842), (12, 10709035), (15, 8567228), (20, 6425421), (30, 4283614), (60, 2141807)]