31607240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 81907200

約数和(自身を除く): 50299960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 719, 785, 1099, 1256, 1438, 1570, 2198, 2876, 3140, 3595, 4396, 5033, 5495, 5752, 6280, 7190, 8792, 10066, 10990, 14380, 20132, 21980, 25165, 28760, 40264, 43960, 50330, 100660, 112883, 201320, 225766, 451532, 564415, 790181, 903064, 1128830, 1580362, 2257660, 3160724, 3950905, 4515320, 6321448, 7901810, 15803620, 31607240]

約数ペア:

[(1, 31607240), (2, 15803620), (4, 7901810), (5, 6321448), (7, 4515320), (8, 3950905), (10, 3160724), (14, 2257660), (20, 1580362), (28, 1128830), (35, 903064), (40, 790181), (56, 564415), (70, 451532), (140, 225766), (157, 201320), (280, 112883), (314, 100660), (628, 50330), (719, 43960), (785, 40264), (1099, 28760), (1256, 25165), (1438, 21980), (1570, 20132), (2198, 14380), (2876, 10990), (3140, 10066), (3595, 8792), (4396, 7190), (5033, 6280), (5495, 5752)]