80742660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1345711}}^1$

素因数の和:1345723

約数の個数: 24

約数和(自身を含む): 226079616

約数和(自身を除く): 145336956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1345711, 2691422, 4037133, 5382844, 6728555, 8074266, 13457110, 16148532, 20185665, 26914220, 40371330, 80742660]

約数ペア:

[(1, 80742660), (2, 40371330), (3, 26914220), (4, 20185665), (5, 16148532), (6, 13457110), (10, 8074266), (12, 6728555), (15, 5382844), (20, 4037133), (30, 2691422), (60, 1345711)]