128776980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2146283}}^1$

素因数の和:2146295

約数の個数: 24

約数和(自身を含む): 360575712

約数和(自身を除く): 231798732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2146283, 4292566, 6438849, 8585132, 10731415, 12877698, 21462830, 25755396, 32194245, 42925660, 64388490, 128776980]

約数ペア:

[(1, 128776980), (2, 64388490), (3, 42925660), (4, 32194245), (5, 25755396), (6, 21462830), (10, 12877698), (12, 10731415), (15, 8585132), (20, 6438849), (30, 4292566), (60, 2146283)]