205099920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2243}}^1$

素因数の和:2389

約数の個数: 120

約数和(自身を含む): 694526976

約数和(自身を除く): 489427056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2243, 2286, 2540, 3048, 3810, 4486, 4572, 5080, 5715, 6096, 6729, 7620, 8972, 9144, 10160, 11215, 11430, 13458, 15240, 17944, 18288, 20187, 22430, 22860, 26916, 30480, 33645, 35888, 40374, 44860, 45720, 53832, 67290, 80748, 89720, 91440, 100935, 107664, 134580, 161496, 179440, 201870, 269160, 284861, 322992, 403740, 538320, 569722, 807480, 854583, 1139444, 1424305, 1614960, 1709166, 2278888, 2563749, 2848610, 3418332, 4272915, 4557776, 5127498, 5697220, 6836664, 8545830, 10254996, 11394440, 12818745, 13673328, 17091660, 20509992, 22788880, 25637490, 34183320, 41019984, 51274980, 68366640, 102549960, 205099920]

約数ペア:

[(1, 205099920), (2, 102549960), (3, 68366640), (4, 51274980), (5, 41019984), (6, 34183320), (8, 25637490), (9, 22788880), (10, 20509992), (12, 17091660), (15, 13673328), (16, 12818745), (18, 11394440), (20, 10254996), (24, 8545830), (30, 6836664), (36, 5697220), (40, 5127498), (45, 4557776), (48, 4272915), (60, 3418332), (72, 2848610), (80, 2563749), (90, 2278888), (120, 1709166), (127, 1614960), (144, 1424305), (180, 1139444), (240, 854583), (254, 807480), (360, 569722), (381, 538320), (508, 403740), (635, 322992), (720, 284861), (762, 269160), (1016, 201870), (1143, 179440), (1270, 161496), (1524, 134580), (1905, 107664), (2032, 100935), (2243, 91440), (2286, 89720), (2540, 80748), (3048, 67290), (3810, 53832), (4486, 45720), (4572, 44860), (5080, 40374), (5715, 35888), (6096, 33645), (6729, 30480), (7620, 26916), (8972, 22860), (9144, 22430), (10160, 20187), (11215, 18288), (11430, 17944), (13458, 15240)]