138540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2309}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 388080

約数和(自身を除く): 249540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2309, 4618, 6927, 9236, 11545, 13854, 23090, 27708, 34635, 46180, 69270, 138540]

約数ペア:

[(1, 138540), (2, 69270), (3, 46180), (4, 34635), (5, 27708), (6, 23090), (10, 13854), (12, 11545), (15, 9236), (20, 6927), (30, 4618), (60, 2309)]