15304720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1693}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 35919576

約数和(自身を除く): 20614856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1693, 1808, 2260, 3386, 4520, 6772, 8465, 9040, 13544, 16930, 27088, 33860, 67720, 135440, 191309, 382618, 765236, 956545, 1530472, 1913090, 3060944, 3826180, 7652360, 15304720]

約数ペア:

[(1, 15304720), (2, 7652360), (4, 3826180), (5, 3060944), (8, 1913090), (10, 1530472), (16, 956545), (20, 765236), (40, 382618), (80, 191309), (113, 135440), (226, 67720), (452, 33860), (565, 27088), (904, 16930), (1130, 13544), (1693, 9040), (1808, 8465), (2260, 6772), (3386, 4520)]