15803620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 22419740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 719, 785, 1099, 1438, 1570, 2198, 2876, 3140, 3595, 4396, 5033, 5495, 7190, 10066, 10990, 14380, 20132, 21980, 25165, 50330, 100660, 112883, 225766, 451532, 564415, 790181, 1128830, 1580362, 2257660, 3160724, 3950905, 7901810, 15803620]

約数ペア:

[(1, 15803620), (2, 7901810), (4, 3950905), (5, 3160724), (7, 2257660), (10, 1580362), (14, 1128830), (20, 790181), (28, 564415), (35, 451532), (70, 225766), (140, 112883), (157, 100660), (314, 50330), (628, 25165), (719, 21980), (785, 20132), (1099, 14380), (1438, 10990), (1570, 10066), (2198, 7190), (2876, 5495), (3140, 5033), (3595, 4396)]