30240640

素因数分解:

$2^7\times 5^1\times {\mathrm{47251}}^1$

素因数の和:47270

約数の個数: 32

約数和(自身を含む): 72295560

約数和(自身を除く): 42054920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 47251, 94502, 189004, 236255, 378008, 472510, 756016, 945020, 1512032, 1890040, 3024064, 3780080, 6048128, 7560160, 15120320, 30240640]

約数ペア:

[(1, 30240640), (2, 15120320), (4, 7560160), (5, 6048128), (8, 3780080), (10, 3024064), (16, 1890040), (20, 1512032), (32, 945020), (40, 756016), (64, 472510), (80, 378008), (128, 236255), (160, 189004), (320, 94502), (640, 47251)]