71065960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{719}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 183513600

約数和(自身を除く): 112447640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 719, 1412, 1438, 1765, 2471, 2824, 2876, 3530, 3595, 4942, 5033, 5752, 7060, 7190, 9884, 10066, 12355, 14120, 14380, 19768, 20132, 24710, 25165, 28760, 40264, 49420, 50330, 98840, 100660, 201320, 253807, 507614, 1015228, 1269035, 1776649, 2030456, 2538070, 3553298, 5076140, 7106596, 8883245, 10152280, 14213192, 17766490, 35532980, 71065960]

約数ペア:

[(1, 71065960), (2, 35532980), (4, 17766490), (5, 14213192), (7, 10152280), (8, 8883245), (10, 7106596), (14, 5076140), (20, 3553298), (28, 2538070), (35, 2030456), (40, 1776649), (56, 1269035), (70, 1015228), (140, 507614), (280, 253807), (353, 201320), (706, 100660), (719, 98840), (1412, 50330), (1438, 49420), (1765, 40264), (2471, 28760), (2824, 25165), (2876, 24710), (3530, 20132), (3595, 19768), (4942, 14380), (5033, 14120), (5752, 12355), (7060, 10066), (7190, 9884)]