51274980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2243}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 156828672

約数和(自身を除く): 105553692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2243, 2286, 2540, 3810, 4486, 4572, 5715, 6729, 7620, 8972, 11215, 11430, 13458, 20187, 22430, 22860, 26916, 33645, 40374, 44860, 67290, 80748, 100935, 134580, 201870, 284861, 403740, 569722, 854583, 1139444, 1424305, 1709166, 2563749, 2848610, 3418332, 4272915, 5127498, 5697220, 8545830, 10254996, 12818745, 17091660, 25637490, 51274980]

約数ペア:

[(1, 51274980), (2, 25637490), (3, 17091660), (4, 12818745), (5, 10254996), (6, 8545830), (9, 5697220), (10, 5127498), (12, 4272915), (15, 3418332), (18, 2848610), (20, 2563749), (30, 1709166), (36, 1424305), (45, 1139444), (60, 854583), (90, 569722), (127, 403740), (180, 284861), (254, 201870), (381, 134580), (508, 100935), (635, 80748), (762, 67290), (1143, 44860), (1270, 40374), (1524, 33645), (1905, 26916), (2243, 22860), (2286, 22430), (2540, 20187), (3810, 13458), (4486, 11430), (4572, 11215), (5715, 8972), (6729, 7620)]