85001220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2609}}^1$

素因数の和:2805

約数の個数: 72

約数和(自身を含む): 259360920

約数和(自身を除く): 174359700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2609, 2715, 3258, 3620, 5218, 5430, 6516, 7827, 8145, 10436, 10860, 13045, 15654, 16290, 23481, 26090, 31308, 32580, 39135, 46962, 52180, 78270, 93924, 117405, 156540, 234810, 469620, 472229, 944458, 1416687, 1888916, 2361145, 2833374, 4250061, 4722290, 5666748, 7083435, 8500122, 9444580, 14166870, 17000244, 21250305, 28333740, 42500610, 85001220]

約数ペア:

[(1, 85001220), (2, 42500610), (3, 28333740), (4, 21250305), (5, 17000244), (6, 14166870), (9, 9444580), (10, 8500122), (12, 7083435), (15, 5666748), (18, 4722290), (20, 4250061), (30, 2833374), (36, 2361145), (45, 1888916), (60, 1416687), (90, 944458), (180, 472229), (181, 469620), (362, 234810), (543, 156540), (724, 117405), (905, 93924), (1086, 78270), (1629, 52180), (1810, 46962), (2172, 39135), (2609, 32580), (2715, 31308), (3258, 26090), (3620, 23481), (5218, 16290), (5430, 15654), (6516, 13045), (7827, 10860), (8145, 10436)]