638387712

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 240

約数和(自身を含む): 1966124160

約数和(自身を除く): 1327736448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 41, 48, 62, 64, 72, 82, 93, 96, 109, 123, 124, 128, 144, 164, 186, 192, 218, 246, 248, 256, 279, 288, 327, 328, 369, 372, 384, 436, 492, 496, 512, 558, 576, 654, 656, 738, 744, 768, 872, 981, 984, 992, 1116, 1152, 1271, 1308, 1312, 1476, 1488, 1536, 1744, 1962, 1968, 1984, 2232, 2304, 2542, 2616, 2624, 2952, 2976, 3379, 3488, 3813, 3924, 3936, 3968, 4464, 4469, 4608, 5084, 5232, 5248, 5904, 5952, 6758, 6976, 7626, 7848, 7872, 7936, 8928, 8938, 10137, 10168, 10464, 10496, 11439, 11808, 11904, 13407, 13516, 13952, 15252, 15696, 15744, 15872, 17856, 17876, 20274, 20336, 20928, 20992, 22878, 23616, 23808, 26814, 27032, 27904, 30411, 30504, 31392, 31488, 35712, 35752, 40221, 40548, 40672, 41856, 45756, 47232, 47616, 53628, 54064, 55808, 60822, 61008, 62784, 62976, 71424, 71504, 80442, 81096, 81344, 83712, 91512, 94464, 107256, 108128, 121644, 122016, 125568, 138539, 142848, 143008, 160884, 162192, 162688, 167424, 183024, 188928, 214512, 216256, 243288, 244032, 251136, 277078, 286016, 321768, 324384, 325376, 366048, 415617, 429024, 432512, 486576, 488064, 502272, 554156, 572032, 643536, 648768, 650752, 732096, 831234, 858048, 865024, 973152, 976128, 1108312, 1144064, 1246851, 1287072, 1297536, 1464192, 1662468, 1716096, 1730048, 1946304, 1952256, 2216624, 2288128, 2493702, 2574144, 2595072, 2928384, 3324936, 3432192, 3892608, 4433248, 4987404, 5148288, 5190144, 5856768, 6649872, 6864384, 7785216, 8866496, 9974808, 10296576, 13299744, 15570432, 17732992, 19949616, 20593152, 26599488, 35465984, 39899232, 53198976, 70931968, 79798464, 106397952, 159596928, 212795904, 319193856, 638387712]

約数ペア:

[(1, 638387712), (2, 319193856), (3, 212795904), (4, 159596928), (6, 106397952), (8, 79798464), (9, 70931968), (12, 53198976), (16, 39899232), (18, 35465984), (24, 26599488), (31, 20593152), (32, 19949616), (36, 17732992), (41, 15570432), (48, 13299744), (62, 10296576), (64, 9974808), (72, 8866496), (82, 7785216), (93, 6864384), (96, 6649872), (109, 5856768), (123, 5190144), (124, 5148288), (128, 4987404), (144, 4433248), (164, 3892608), (186, 3432192), (192, 3324936), (218, 2928384), (246, 2595072), (248, 2574144), (256, 2493702), (279, 2288128), (288, 2216624), (327, 1952256), (328, 1946304), (369, 1730048), (372, 1716096), (384, 1662468), (436, 1464192), (492, 1297536), (496, 1287072), (512, 1246851), (558, 1144064), (576, 1108312), (654, 976128), (656, 973152), (738, 865024), (744, 858048), (768, 831234), (872, 732096), (981, 650752), (984, 648768), (992, 643536), (1116, 572032), (1152, 554156), (1271, 502272), (1308, 488064), (1312, 486576), (1476, 432512), (1488, 429024), (1536, 415617), (1744, 366048), (1962, 325376), (1968, 324384), (1984, 321768), (2232, 286016), (2304, 277078), (2542, 251136), (2616, 244032), (2624, 243288), (2952, 216256), (2976, 214512), (3379, 188928), (3488, 183024), (3813, 167424), (3924, 162688), (3936, 162192), (3968, 160884), (4464, 143008), (4469, 142848), (4608, 138539), (5084, 125568), (5232, 122016), (5248, 121644), (5904, 108128), (5952, 107256), (6758, 94464), (6976, 91512), (7626, 83712), (7848, 81344), (7872, 81096), (7936, 80442), (8928, 71504), (8938, 71424), (10137, 62976), (10168, 62784), (10464, 61008), (10496, 60822), (11439, 55808), (11808, 54064), (11904, 53628), (13407, 47616), (13516, 47232), (13952, 45756), (15252, 41856), (15696, 40672), (15744, 40548), (15872, 40221), (17856, 35752), (17876, 35712), (20274, 31488), (20336, 31392), (20928, 30504), (20992, 30411), (22878, 27904), (23616, 27032), (23808, 26814)]