30496120

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1721}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 68811120

約数和(自身を除く): 38315000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1721, 1772, 2215, 3442, 3544, 4430, 6884, 8605, 8860, 13768, 17210, 17720, 34420, 68840, 762403, 1524806, 3049612, 3812015, 6099224, 7624030, 15248060, 30496120]

約数ペア:

[(1, 30496120), (2, 15248060), (4, 7624030), (5, 6099224), (8, 3812015), (10, 3049612), (20, 1524806), (40, 762403), (443, 68840), (886, 34420), (1721, 17720), (1772, 17210), (2215, 13768), (3442, 8860), (3544, 8605), (4430, 6884)]