640518912

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 216

約数和(自身を含む): 2040729600

約数和(自身を除く): 1400210688

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 127, 128, 132, 144, 176, 192, 198, 199, 254, 256, 264, 288, 352, 381, 384, 396, 398, 508, 528, 576, 597, 704, 762, 768, 792, 796, 1016, 1056, 1143, 1152, 1194, 1397, 1408, 1524, 1584, 1592, 1791, 2032, 2112, 2189, 2286, 2304, 2388, 2794, 2816, 3048, 3168, 3184, 3582, 4064, 4191, 4224, 4378, 4572, 4776, 5588, 6096, 6336, 6368, 6567, 7164, 8128, 8382, 8448, 8756, 9144, 9552, 11176, 12192, 12573, 12672, 12736, 13134, 14328, 16256, 16764, 17512, 18288, 19104, 19701, 22352, 24384, 25146, 25273, 25344, 25472, 26268, 28656, 32512, 33528, 35024, 36576, 38208, 39402, 44704, 48768, 50292, 50546, 50944, 52536, 57312, 67056, 70048, 73152, 75819, 76416, 78804, 89408, 97536, 100584, 101092, 105072, 114624, 134112, 140096, 146304, 151638, 152832, 157608, 178816, 201168, 202184, 210144, 227457, 229248, 268224, 278003, 280192, 292608, 303276, 315216, 357632, 402336, 404368, 420288, 454914, 458496, 536448, 556006, 560384, 606552, 630432, 804672, 808736, 834009, 840576, 909828, 1072896, 1112012, 1213104, 1260864, 1609344, 1617472, 1668018, 1681152, 1819656, 2224024, 2426208, 2502027, 2521728, 3218688, 3234944, 3336036, 3639312, 4448048, 4852416, 5004054, 5043456, 6469888, 6672072, 7278624, 8896096, 9704832, 10008108, 13344144, 14557248, 17792192, 19409664, 20016216, 26688288, 29114496, 35584384, 40032432, 53376576, 58228992, 71168768, 80064864, 106753152, 160129728, 213506304, 320259456, 640518912]

約数ペア:

[(1, 640518912), (2, 320259456), (3, 213506304), (4, 160129728), (6, 106753152), (8, 80064864), (9, 71168768), (11, 58228992), (12, 53376576), (16, 40032432), (18, 35584384), (22, 29114496), (24, 26688288), (32, 20016216), (33, 19409664), (36, 17792192), (44, 14557248), (48, 13344144), (64, 10008108), (66, 9704832), (72, 8896096), (88, 7278624), (96, 6672072), (99, 6469888), (127, 5043456), (128, 5004054), (132, 4852416), (144, 4448048), (176, 3639312), (192, 3336036), (198, 3234944), (199, 3218688), (254, 2521728), (256, 2502027), (264, 2426208), (288, 2224024), (352, 1819656), (381, 1681152), (384, 1668018), (396, 1617472), (398, 1609344), (508, 1260864), (528, 1213104), (576, 1112012), (597, 1072896), (704, 909828), (762, 840576), (768, 834009), (792, 808736), (796, 804672), (1016, 630432), (1056, 606552), (1143, 560384), (1152, 556006), (1194, 536448), (1397, 458496), (1408, 454914), (1524, 420288), (1584, 404368), (1592, 402336), (1791, 357632), (2032, 315216), (2112, 303276), (2189, 292608), (2286, 280192), (2304, 278003), (2388, 268224), (2794, 229248), (2816, 227457), (3048, 210144), (3168, 202184), (3184, 201168), (3582, 178816), (4064, 157608), (4191, 152832), (4224, 151638), (4378, 146304), (4572, 140096), (4776, 134112), (5588, 114624), (6096, 105072), (6336, 101092), (6368, 100584), (6567, 97536), (7164, 89408), (8128, 78804), (8382, 76416), (8448, 75819), (8756, 73152), (9144, 70048), (9552, 67056), (11176, 57312), (12192, 52536), (12573, 50944), (12672, 50546), (12736, 50292), (13134, 48768), (14328, 44704), (16256, 39402), (16764, 38208), (17512, 36576), (18288, 35024), (19104, 33528), (19701, 32512), (22352, 28656), (24384, 26268), (25146, 25472), (25273, 25344)]