80521770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2927}}^1$

素因数の和:3075

約数の個数: 64

約数和(自身を含む): 222621696

約数和(自身を除く): 142099926

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1310, 1834, 1965, 2751, 2927, 3930, 4585, 5502, 5854, 8781, 9170, 13755, 14635, 17562, 20489, 27510, 29270, 40978, 43905, 61467, 87810, 102445, 122934, 204890, 307335, 383437, 614670, 766874, 1150311, 1917185, 2300622, 2684059, 3834370, 5368118, 5751555, 8052177, 11503110, 13420295, 16104354, 26840590, 40260885, 80521770]

約数ペア:

[(1, 80521770), (2, 40260885), (3, 26840590), (5, 16104354), (6, 13420295), (7, 11503110), (10, 8052177), (14, 5751555), (15, 5368118), (21, 3834370), (30, 2684059), (35, 2300622), (42, 1917185), (70, 1150311), (105, 766874), (131, 614670), (210, 383437), (262, 307335), (393, 204890), (655, 122934), (786, 102445), (917, 87810), (1310, 61467), (1834, 43905), (1965, 40978), (2751, 29270), (2927, 27510), (3930, 20489), (4585, 17562), (5502, 14635), (5854, 13755), (8781, 9170)]