165615660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131441}}^1$

素因数の和:131463

約数の個数: 72

約数和(自身を含む): 574138656

約数和(自身を除く): 408522996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 131441, 262882, 394323, 525764, 657205, 788646, 920087, 1182969, 1314410, 1577292, 1840174, 1971615, 2365938, 2628820, 2760261, 3680348, 3943230, 4600435, 4731876, 5520522, 5914845, 7886460, 8280783, 9200870, 11041044, 11829690, 13801305, 16561566, 18401740, 23659380, 27602610, 33123132, 41403915, 55205220, 82807830, 165615660]

約数ペア:

[(1, 165615660), (2, 82807830), (3, 55205220), (4, 41403915), (5, 33123132), (6, 27602610), (7, 23659380), (9, 18401740), (10, 16561566), (12, 13801305), (14, 11829690), (15, 11041044), (18, 9200870), (20, 8280783), (21, 7886460), (28, 5914845), (30, 5520522), (35, 4731876), (36, 4600435), (42, 3943230), (45, 3680348), (60, 2760261), (63, 2628820), (70, 2365938), (84, 1971615), (90, 1840174), (105, 1577292), (126, 1314410), (140, 1182969), (180, 920087), (210, 788646), (252, 657205), (315, 525764), (420, 394323), (630, 262882), (1260, 131441)]