15030640

素因数分解:

$2^4\times 5^1\times {\mathrm{187883}}^1$

素因数の和:187896

約数の個数: 20

約数和(自身を含む): 34946424

約数和(自身を除く): 19915784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 187883, 375766, 751532, 939415, 1503064, 1878830, 3006128, 3757660, 7515320, 15030640]

約数ペア:

[(1, 15030640), (2, 7515320), (4, 3757660), (5, 3006128), (8, 1878830), (10, 1503064), (16, 939415), (20, 751532), (40, 375766), (80, 187883)]