81201760

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3361}}^1$

素因数の和:3527

約数の個数: 48

約数和(自身を含む): 193167072

約数和(自身を除く): 111965312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 755, 1208, 1510, 2416, 3020, 3361, 4832, 6040, 6722, 12080, 13444, 16805, 24160, 26888, 33610, 53776, 67220, 107552, 134440, 268880, 507511, 537760, 1015022, 2030044, 2537555, 4060088, 5075110, 8120176, 10150220, 16240352, 20300440, 40600880, 81201760]

約数ペア:

[(1, 81201760), (2, 40600880), (4, 20300440), (5, 16240352), (8, 10150220), (10, 8120176), (16, 5075110), (20, 4060088), (32, 2537555), (40, 2030044), (80, 1015022), (151, 537760), (160, 507511), (302, 268880), (604, 134440), (755, 107552), (1208, 67220), (1510, 53776), (2416, 33610), (3020, 26888), (3361, 24160), (4832, 16805), (6040, 13444), (6722, 12080)]