640518144

素因数分解:

$2^{11}\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 1995477120

約数和(自身を除く): 1354958976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 84, 96, 106, 112, 128, 159, 168, 192, 212, 224, 256, 281, 318, 336, 371, 384, 424, 448, 512, 562, 636, 672, 742, 768, 843, 848, 896, 1024, 1113, 1124, 1272, 1344, 1484, 1536, 1686, 1696, 1792, 1967, 2048, 2226, 2248, 2544, 2688, 2968, 3072, 3372, 3392, 3584, 3934, 4452, 4496, 5088, 5376, 5901, 5936, 6144, 6744, 6784, 7168, 7868, 8904, 8992, 10176, 10752, 11802, 11872, 13488, 13568, 14336, 14893, 15736, 17808, 17984, 20352, 21504, 23604, 23744, 26976, 27136, 29786, 31472, 35616, 35968, 40704, 43008, 44679, 47208, 47488, 53952, 54272, 59572, 62944, 71232, 71936, 81408, 89358, 94416, 94976, 104251, 107904, 108544, 119144, 125888, 142464, 143872, 162816, 178716, 188832, 189952, 208502, 215808, 238288, 251776, 284928, 287744, 312753, 325632, 357432, 377664, 379904, 417004, 431616, 476576, 503552, 569856, 575488, 625506, 714864, 755328, 759808, 834008, 863232, 953152, 1007104, 1139712, 1251012, 1429728, 1510656, 1668016, 1726464, 1906304, 2014208, 2279424, 2502024, 2859456, 3021312, 3336032, 3812608, 4028416, 5004048, 5718912, 6042624, 6672064, 7625216, 10008096, 11437824, 12085248, 13344128, 15250432, 20016192, 22875648, 26688256, 30500864, 40032384, 45751296, 53376512, 80064768, 91502592, 106753024, 160129536, 213506048, 320259072, 640518144]

約数ペア:

[(1, 640518144), (2, 320259072), (3, 213506048), (4, 160129536), (6, 106753024), (7, 91502592), (8, 80064768), (12, 53376512), (14, 45751296), (16, 40032384), (21, 30500864), (24, 26688256), (28, 22875648), (32, 20016192), (42, 15250432), (48, 13344128), (53, 12085248), (56, 11437824), (64, 10008096), (84, 7625216), (96, 6672064), (106, 6042624), (112, 5718912), (128, 5004048), (159, 4028416), (168, 3812608), (192, 3336032), (212, 3021312), (224, 2859456), (256, 2502024), (281, 2279424), (318, 2014208), (336, 1906304), (371, 1726464), (384, 1668016), (424, 1510656), (448, 1429728), (512, 1251012), (562, 1139712), (636, 1007104), (672, 953152), (742, 863232), (768, 834008), (843, 759808), (848, 755328), (896, 714864), (1024, 625506), (1113, 575488), (1124, 569856), (1272, 503552), (1344, 476576), (1484, 431616), (1536, 417004), (1686, 379904), (1696, 377664), (1792, 357432), (1967, 325632), (2048, 312753), (2226, 287744), (2248, 284928), (2544, 251776), (2688, 238288), (2968, 215808), (3072, 208502), (3372, 189952), (3392, 188832), (3584, 178716), (3934, 162816), (4452, 143872), (4496, 142464), (5088, 125888), (5376, 119144), (5901, 108544), (5936, 107904), (6144, 104251), (6744, 94976), (6784, 94416), (7168, 89358), (7868, 81408), (8904, 71936), (8992, 71232), (10176, 62944), (10752, 59572), (11802, 54272), (11872, 53952), (13488, 47488), (13568, 47208), (14336, 44679), (14893, 43008), (15736, 40704), (17808, 35968), (17984, 35616), (20352, 31472), (21504, 29786), (23604, 27136), (23744, 26976)]