257130660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4285511}}^1$

素因数の和:4285523

約数の個数: 24

約数和(自身を含む): 719966016

約数和(自身を除く): 462835356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4285511, 8571022, 12856533, 17142044, 21427555, 25713066, 42855110, 51426132, 64282665, 85710220, 128565330, 257130660]

約数ペア:

[(1, 257130660), (2, 128565330), (3, 85710220), (4, 64282665), (5, 51426132), (6, 42855110), (10, 25713066), (12, 21427555), (15, 17142044), (20, 12856533), (30, 8571022), (60, 4285511)]