139278540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2321309}}^1$

素因数の和:2321321

約数の個数: 24

約数和(自身を含む): 389980080

約数和(自身を除く): 250701540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2321309, 4642618, 6963927, 9285236, 11606545, 13927854, 23213090, 27855708, 34819635, 46426180, 69639270, 139278540]

約数ペア:

[(1, 139278540), (2, 69639270), (3, 46426180), (4, 34819635), (5, 27855708), (6, 23213090), (10, 13927854), (12, 11606545), (15, 9285236), (20, 6963927), (30, 4642618), (60, 2321309)]