256980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4283}}^1$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 719712

約数和(自身を除く): 462732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4283, 8566, 12849, 17132, 21415, 25698, 42830, 51396, 64245, 85660, 128490, 256980]

約数ペア:

[(1, 256980), (2, 128490), (3, 85660), (4, 64245), (5, 51396), (6, 42830), (10, 25698), (12, 21415), (15, 17132), (20, 12849), (30, 8566), (60, 4283)]