81008457984

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1753}}^1$

素因数の和:2453

約数の個数: 216

約数和(自身を含む): 241612180992

約数和(自身を除く): 160603723008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 647, 744, 768, 992, 1116, 1152, 1294, 1488, 1753, 1941, 1984, 2232, 2304, 2588, 2976, 3506, 3882, 3968, 4464, 5176, 5259, 5823, 5952, 7012, 7764, 7936, 8928, 10352, 10518, 11646, 11904, 14024, 15528, 15777, 17856, 20057, 20704, 21036, 23292, 23808, 28048, 31056, 31554, 35712, 40114, 41408, 42072, 46584, 54343, 56096, 60171, 62112, 63108, 71424, 80228, 82816, 84144, 93168, 108686, 112192, 120342, 124224, 126216, 160456, 163029, 165632, 168288, 180513, 186336, 217372, 224384, 240684, 248448, 252432, 320912, 326058, 336576, 361026, 372672, 434744, 448768, 481368, 489087, 496896, 504864, 641824, 652116, 673152, 722052, 745344, 869488, 962736, 978174, 1009728, 1134191, 1283648, 1304232, 1346304, 1444104, 1490688, 1738976, 1925472, 1956348, 2019456, 2268382, 2567296, 2608464, 2888208, 3402573, 3477952, 3850944, 3912696, 4038912, 4536764, 5134592, 5216928, 5776416, 6805146, 6955904, 7701888, 7825392, 9073528, 10207719, 10433856, 11552832, 13610292, 13911808, 15403776, 15650784, 18147056, 20415438, 20867712, 23105664, 27220584, 31301568, 35159921, 36294112, 40830876, 41735424, 46211328, 54441168, 62603136, 70319842, 72588224, 81661752, 105479763, 108882336, 125206272, 140639684, 145176448, 163323504, 210959526, 217764672, 281279368, 290352896, 316439289, 326647008, 421919052, 435529344, 562558736, 632878578, 653294016, 843838104, 871058688, 1125117472, 1265757156, 1306588032, 1687676208, 2250234944, 2531514312, 2613176064, 3375352416, 4500469888, 5063028624, 6750704832, 9000939776, 10126057248, 13501409664, 20252114496, 27002819328, 40504228992, 81008457984]

約数ペア:

[(1, 81008457984), (2, 40504228992), (3, 27002819328), (4, 20252114496), (6, 13501409664), (8, 10126057248), (9, 9000939776), (12, 6750704832), (16, 5063028624), (18, 4500469888), (24, 3375352416), (31, 2613176064), (32, 2531514312), (36, 2250234944), (48, 1687676208), (62, 1306588032), (64, 1265757156), (72, 1125117472), (93, 871058688), (96, 843838104), (124, 653294016), (128, 632878578), (144, 562558736), (186, 435529344), (192, 421919052), (248, 326647008), (256, 316439289), (279, 290352896), (288, 281279368), (372, 217764672), (384, 210959526), (496, 163323504), (558, 145176448), (576, 140639684), (647, 125206272), (744, 108882336), (768, 105479763), (992, 81661752), (1116, 72588224), (1152, 70319842), (1294, 62603136), (1488, 54441168), (1753, 46211328), (1941, 41735424), (1984, 40830876), (2232, 36294112), (2304, 35159921), (2588, 31301568), (2976, 27220584), (3506, 23105664), (3882, 20867712), (3968, 20415438), (4464, 18147056), (5176, 15650784), (5259, 15403776), (5823, 13911808), (5952, 13610292), (7012, 11552832), (7764, 10433856), (7936, 10207719), (8928, 9073528), (10352, 7825392), (10518, 7701888), (11646, 6955904), (11904, 6805146), (14024, 5776416), (15528, 5216928), (15777, 5134592), (17856, 4536764), (20057, 4038912), (20704, 3912696), (21036, 3850944), (23292, 3477952), (23808, 3402573), (28048, 2888208), (31056, 2608464), (31554, 2567296), (35712, 2268382), (40114, 2019456), (41408, 1956348), (42072, 1925472), (46584, 1738976), (54343, 1490688), (56096, 1444104), (60171, 1346304), (62112, 1304232), (63108, 1283648), (71424, 1134191), (80228, 1009728), (82816, 978174), (84144, 962736), (93168, 869488), (108686, 745344), (112192, 722052), (120342, 673152), (124224, 652116), (126216, 641824), (160456, 504864), (163029, 496896), (165632, 489087), (168288, 481368), (180513, 448768), (186336, 434744), (217372, 372672), (224384, 361026), (240684, 336576), (248448, 326058), (252432, 320912)]