15120740

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4177}}^1$

素因数の和:4367

約数の個数: 24

約数和(自身を含む): 31936632

約数和(自身を除く): 16815892

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4177, 8354, 16708, 20885, 41770, 83540, 756037, 1512074, 3024148, 3780185, 7560370, 15120740]

約数ペア:

[(1, 15120740), (2, 7560370), (4, 3780185), (5, 3024148), (10, 1512074), (20, 756037), (181, 83540), (362, 41770), (724, 20885), (905, 16708), (1810, 8354), (3620, 4177)]