51321540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{855359}}^1$

素因数の和:855371

約数の個数: 24

約数和(自身を含む): 143700480

約数和(自身を除く): 92378940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 855359, 1710718, 2566077, 3421436, 4276795, 5132154, 8553590, 10264308, 12830385, 17107180, 25660770, 51321540]

約数ペア:

[(1, 51321540), (2, 25660770), (3, 17107180), (4, 12830385), (5, 10264308), (6, 8553590), (10, 5132154), (12, 4276795), (15, 3421436), (20, 2566077), (30, 1710718), (60, 855359)]