256640832

素因数分解:

$2^6\times 3^3\times 7^3\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 224

約数和(自身を含む): 881888000

約数和(自身を除く): 625247168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 343, 378, 392, 432, 433, 441, 448, 504, 576, 588, 672, 686, 756, 784, 864, 866, 882, 1008, 1029, 1176, 1299, 1323, 1344, 1372, 1512, 1568, 1728, 1732, 1764, 2016, 2058, 2352, 2598, 2646, 2744, 3024, 3031, 3087, 3136, 3464, 3528, 3897, 4032, 4116, 4704, 5196, 5292, 5488, 6048, 6062, 6174, 6928, 7056, 7794, 8232, 9093, 9261, 9408, 10392, 10584, 10976, 11691, 12096, 12124, 12348, 13856, 14112, 15588, 16464, 18186, 18522, 20784, 21168, 21217, 21952, 23382, 24248, 24696, 27279, 27712, 28224, 31176, 32928, 36372, 37044, 41568, 42336, 42434, 46764, 48496, 49392, 54558, 62352, 63651, 65856, 72744, 74088, 81837, 83136, 84672, 84868, 93528, 96992, 98784, 109116, 124704, 127302, 145488, 148176, 148519, 163674, 169736, 187056, 190953, 193984, 197568, 218232, 249408, 254604, 290976, 296352, 297038, 327348, 339472, 374112, 381906, 436464, 445557, 509208, 572859, 581952, 592704, 594076, 654696, 678944, 748224, 763812, 872928, 891114, 1018416, 1145718, 1188152, 1309392, 1336671, 1357888, 1527624, 1745856, 1782228, 2036832, 2291436, 2376304, 2618784, 2673342, 3055248, 3564456, 4010013, 4073664, 4582872, 4752608, 5237568, 5346684, 6110496, 7128912, 8020026, 9165744, 9505216, 10693368, 12220992, 14257824, 16040052, 18331488, 21386736, 28515648, 32080104, 36662976, 42773472, 64160208, 85546944, 128320416, 256640832]

約数ペア:

[(1, 256640832), (2, 128320416), (3, 85546944), (4, 64160208), (6, 42773472), (7, 36662976), (8, 32080104), (9, 28515648), (12, 21386736), (14, 18331488), (16, 16040052), (18, 14257824), (21, 12220992), (24, 10693368), (27, 9505216), (28, 9165744), (32, 8020026), (36, 7128912), (42, 6110496), (48, 5346684), (49, 5237568), (54, 4752608), (56, 4582872), (63, 4073664), (64, 4010013), (72, 3564456), (84, 3055248), (96, 2673342), (98, 2618784), (108, 2376304), (112, 2291436), (126, 2036832), (144, 1782228), (147, 1745856), (168, 1527624), (189, 1357888), (192, 1336671), (196, 1309392), (216, 1188152), (224, 1145718), (252, 1018416), (288, 891114), (294, 872928), (336, 763812), (343, 748224), (378, 678944), (392, 654696), (432, 594076), (433, 592704), (441, 581952), (448, 572859), (504, 509208), (576, 445557), (588, 436464), (672, 381906), (686, 374112), (756, 339472), (784, 327348), (864, 297038), (866, 296352), (882, 290976), (1008, 254604), (1029, 249408), (1176, 218232), (1299, 197568), (1323, 193984), (1344, 190953), (1372, 187056), (1512, 169736), (1568, 163674), (1728, 148519), (1732, 148176), (1764, 145488), (2016, 127302), (2058, 124704), (2352, 109116), (2598, 98784), (2646, 96992), (2744, 93528), (3024, 84868), (3031, 84672), (3087, 83136), (3136, 81837), (3464, 74088), (3528, 72744), (3897, 65856), (4032, 63651), (4116, 62352), (4704, 54558), (5196, 49392), (5292, 48496), (5488, 46764), (6048, 42434), (6062, 42336), (6174, 41568), (6928, 37044), (7056, 36372), (7794, 32928), (8232, 31176), (9093, 28224), (9261, 27712), (9408, 27279), (10392, 24696), (10584, 24248), (10976, 23382), (11691, 21952), (12096, 21217), (12124, 21168), (12348, 20784), (13856, 18522), (14112, 18186), (15588, 16464)]