51648540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{860809}}^1$

素因数の和:860821

約数の個数: 24

約数和(自身を含む): 144616080

約数和(自身を除く): 92967540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 860809, 1721618, 2582427, 3443236, 4304045, 5164854, 8608090, 10329708, 12912135, 17216180, 25824270, 51648540]

約数ペア:

[(1, 51648540), (2, 25824270), (3, 17216180), (4, 12912135), (5, 10329708), (6, 8608090), (10, 5164854), (12, 4304045), (15, 3443236), (20, 2582427), (30, 1721618), (60, 860809)]