81749010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2017}}^1$

素因数の和:2227

約数の個数: 64

約数和(自身を含む): 225499392

約数和(自身を除く): 143750382

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 193, 210, 386, 579, 965, 1158, 1351, 1930, 2017, 2702, 2895, 4034, 4053, 5790, 6051, 6755, 8106, 10085, 12102, 13510, 14119, 20170, 20265, 28238, 30255, 40530, 42357, 60510, 70595, 84714, 141190, 211785, 389281, 423570, 778562, 1167843, 1946405, 2335686, 2724967, 3892810, 5449934, 5839215, 8174901, 11678430, 13624835, 16349802, 27249670, 40874505, 81749010]

約数ペア:

[(1, 81749010), (2, 40874505), (3, 27249670), (5, 16349802), (6, 13624835), (7, 11678430), (10, 8174901), (14, 5839215), (15, 5449934), (21, 3892810), (30, 2724967), (35, 2335686), (42, 1946405), (70, 1167843), (105, 778562), (193, 423570), (210, 389281), (386, 211785), (579, 141190), (965, 84714), (1158, 70595), (1351, 60510), (1930, 42357), (2017, 40530), (2702, 30255), (2895, 28238), (4034, 20265), (4053, 20170), (5790, 14119), (6051, 13510), (6755, 12102), (8106, 10085)]