80457720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{95783}}^1$

素因数の和:95804

約数の個数: 64

約数和(自身を含む): 275857920

約数和(自身を除く): 195400200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 95783, 191566, 287349, 383132, 478915, 574698, 670481, 766264, 957830, 1149396, 1340962, 1436745, 1915660, 2011443, 2298792, 2681924, 2873490, 3352405, 3831320, 4022886, 5363848, 5746980, 6704810, 8045772, 10057215, 11493960, 13409620, 16091544, 20114430, 26819240, 40228860, 80457720]

約数ペア:

[(1, 80457720), (2, 40228860), (3, 26819240), (4, 20114430), (5, 16091544), (6, 13409620), (7, 11493960), (8, 10057215), (10, 8045772), (12, 6704810), (14, 5746980), (15, 5363848), (20, 4022886), (21, 3831320), (24, 3352405), (28, 2873490), (30, 2681924), (35, 2298792), (40, 2011443), (42, 1915660), (56, 1436745), (60, 1340962), (70, 1149396), (84, 957830), (105, 766264), (120, 670481), (140, 574698), (168, 478915), (210, 383132), (280, 287349), (420, 191566), (840, 95783)]