80907960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1661

約数の個数: 128

約数和(自身を含む): 282124800

約数和(自身を除く): 201216840

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1579, 1708, 1830, 2135, 2440, 2562, 3158, 3416, 3660, 4270, 4737, 5124, 6316, 6405, 7320, 7895, 8540, 9474, 10248, 11053, 12632, 12810, 15790, 17080, 18948, 22106, 23685, 25620, 31580, 33159, 37896, 44212, 47370, 51240, 55265, 63160, 66318, 88424, 94740, 96319, 110530, 132636, 165795, 189480, 192638, 221060, 265272, 288957, 331590, 385276, 442120, 481595, 577914, 663180, 674233, 770552, 963190, 1155828, 1326360, 1348466, 1444785, 1926380, 2022699, 2311656, 2696932, 2889570, 3371165, 3852760, 4045398, 5393864, 5779140, 6742330, 8090796, 10113495, 11558280, 13484660, 16181592, 20226990, 26969320, 40453980, 80907960]

約数ペア:

[(1, 80907960), (2, 40453980), (3, 26969320), (4, 20226990), (5, 16181592), (6, 13484660), (7, 11558280), (8, 10113495), (10, 8090796), (12, 6742330), (14, 5779140), (15, 5393864), (20, 4045398), (21, 3852760), (24, 3371165), (28, 2889570), (30, 2696932), (35, 2311656), (40, 2022699), (42, 1926380), (56, 1444785), (60, 1348466), (61, 1326360), (70, 1155828), (84, 963190), (105, 770552), (120, 674233), (122, 663180), (140, 577914), (168, 481595), (183, 442120), (210, 385276), (244, 331590), (280, 288957), (305, 265272), (366, 221060), (420, 192638), (427, 189480), (488, 165795), (610, 132636), (732, 110530), (840, 96319), (854, 94740), (915, 88424), (1220, 66318), (1281, 63160), (1464, 55265), (1579, 51240), (1708, 47370), (1830, 44212), (2135, 37896), (2440, 33159), (2562, 31580), (3158, 25620), (3416, 23685), (3660, 22106), (4270, 18948), (4737, 17080), (5124, 15790), (6316, 12810), (6405, 12632), (7320, 11053), (7895, 10248), (8540, 9474)]