255286640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3019}}^1$

素因数の和:3190

約数の個数: 80

約数和(自身を含む): 683051520

約数和(自身を除く): 427764880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3019, 3020, 4228, 5285, 6038, 6040, 8456, 10570, 12076, 12080, 15095, 16912, 21133, 21140, 24152, 30190, 42266, 42280, 48304, 60380, 84532, 84560, 105665, 120760, 169064, 211330, 241520, 338128, 422660, 455869, 845320, 911738, 1690640, 1823476, 2279345, 3191083, 3646952, 4558690, 6382166, 7293904, 9117380, 12764332, 15955415, 18234760, 25528664, 31910830, 36469520, 51057328, 63821660, 127643320, 255286640]

約数ペア:

[(1, 255286640), (2, 127643320), (4, 63821660), (5, 51057328), (7, 36469520), (8, 31910830), (10, 25528664), (14, 18234760), (16, 15955415), (20, 12764332), (28, 9117380), (35, 7293904), (40, 6382166), (56, 4558690), (70, 3646952), (80, 3191083), (112, 2279345), (140, 1823476), (151, 1690640), (280, 911738), (302, 845320), (560, 455869), (604, 422660), (755, 338128), (1057, 241520), (1208, 211330), (1510, 169064), (2114, 120760), (2416, 105665), (3019, 84560), (3020, 84532), (4228, 60380), (5285, 48304), (6038, 42280), (6040, 42266), (8456, 30190), (10570, 24152), (12076, 21140), (12080, 21133), (15095, 16912)]