129438420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2157307}}^1$

素因数の和:2157319

約数の個数: 24

約数和(自身を含む): 362427744

約数和(自身を除く): 232989324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2157307, 4314614, 6471921, 8629228, 10786535, 12943842, 21573070, 25887684, 32359605, 43146140, 64719210, 129438420]

約数ペア:

[(1, 129438420), (2, 64719210), (3, 43146140), (4, 32359605), (5, 25887684), (6, 21573070), (10, 12943842), (12, 10786535), (15, 8629228), (20, 6471921), (30, 4314614), (60, 2157307)]