280520059040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{905137}}^1$

素因数の和:905314

約数の個数: 96

約数和(自身を含む): 718498544400

約数和(自身を除く): 437978485360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 149, 160, 208, 260, 298, 416, 520, 596, 745, 1040, 1192, 1490, 1937, 2080, 2384, 2980, 3874, 4768, 5960, 7748, 9685, 11920, 15496, 19370, 23840, 30992, 38740, 61984, 77480, 154960, 309920, 905137, 1810274, 3620548, 4525685, 7241096, 9051370, 11766781, 14482192, 18102740, 23533562, 28964384, 36205480, 47067124, 58833905, 72410960, 94134248, 117667810, 134865413, 144821920, 188268496, 235335620, 269730826, 376536992, 470671240, 539461652, 674327065, 941342480, 1078923304, 1348654130, 1753250369, 1882684960, 2157846608, 2697308260, 3506500738, 4315693216, 5394616520, 7013001476, 8766251845, 10789233040, 14026002952, 17532503690, 21578466080, 28052005904, 35065007380, 56104011808, 70130014760, 140260029520, 280520059040]

約数ペア:

[(1, 280520059040), (2, 140260029520), (4, 70130014760), (5, 56104011808), (8, 35065007380), (10, 28052005904), (13, 21578466080), (16, 17532503690), (20, 14026002952), (26, 10789233040), (32, 8766251845), (40, 7013001476), (52, 5394616520), (65, 4315693216), (80, 3506500738), (104, 2697308260), (130, 2157846608), (149, 1882684960), (160, 1753250369), (208, 1348654130), (260, 1078923304), (298, 941342480), (416, 674327065), (520, 539461652), (596, 470671240), (745, 376536992), (1040, 269730826), (1192, 235335620), (1490, 188268496), (1937, 144821920), (2080, 134865413), (2384, 117667810), (2980, 94134248), (3874, 72410960), (4768, 58833905), (5960, 47067124), (7748, 36205480), (9685, 28964384), (11920, 23533562), (15496, 18102740), (19370, 14482192), (23840, 11766781), (30992, 9051370), (38740, 7241096), (61984, 4525685), (77480, 3620548), (154960, 1810274), (309920, 905137)]