30708760

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1733}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 69290640

約数和(自身を除く): 38581880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1733, 1772, 2215, 3466, 3544, 4430, 6932, 8665, 8860, 13864, 17330, 17720, 34660, 69320, 767719, 1535438, 3070876, 3838595, 6141752, 7677190, 15354380, 30708760]

約数ペア:

[(1, 30708760), (2, 15354380), (4, 7677190), (5, 6141752), (8, 3838595), (10, 3070876), (20, 1535438), (40, 767719), (443, 69320), (886, 34660), (1733, 17720), (1772, 17330), (2215, 13864), (3466, 8860), (3544, 8665), (4430, 6932)]