257707008

素因数分解:

$2^{10}\times 3^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 220

約数和(自身を含む): 832228320

約数和(自身を除く): 574521312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 239, 256, 288, 312, 324, 351, 384, 416, 432, 468, 478, 512, 576, 624, 648, 702, 717, 768, 832, 864, 936, 956, 1024, 1053, 1152, 1248, 1296, 1404, 1434, 1536, 1664, 1728, 1872, 1912, 2106, 2151, 2304, 2496, 2592, 2808, 2868, 3072, 3107, 3328, 3456, 3744, 3824, 4212, 4302, 4608, 4992, 5184, 5616, 5736, 6214, 6453, 6656, 6912, 7488, 7648, 8424, 8604, 9216, 9321, 9984, 10368, 11232, 11472, 12428, 12906, 13312, 13824, 14976, 15296, 16848, 17208, 18642, 19359, 19968, 20736, 22464, 22944, 24856, 25812, 27648, 27963, 29952, 30592, 33696, 34416, 37284, 38718, 39936, 41472, 44928, 45888, 49712, 51624, 55926, 59904, 61184, 67392, 68832, 74568, 77436, 82944, 83889, 89856, 91776, 99424, 103248, 111852, 119808, 122368, 134784, 137664, 149136, 154872, 167778, 179712, 183552, 198848, 206496, 223704, 244736, 251667, 269568, 275328, 298272, 309744, 335556, 359424, 367104, 397696, 412992, 447408, 503334, 539136, 550656, 596544, 619488, 671112, 734208, 795392, 825984, 894816, 1006668, 1078272, 1101312, 1193088, 1238976, 1342224, 1590784, 1651968, 1789632, 2013336, 2202624, 2386176, 2477952, 2684448, 3181568, 3303936, 3579264, 4026672, 4772352, 4955904, 5368896, 6607872, 7158528, 8053344, 9544704, 9911808, 10737792, 14317056, 16106688, 19823616, 21475584, 28634112, 32213376, 42951168, 64426752, 85902336, 128853504, 257707008]

約数ペア:

[(1, 257707008), (2, 128853504), (3, 85902336), (4, 64426752), (6, 42951168), (8, 32213376), (9, 28634112), (12, 21475584), (13, 19823616), (16, 16106688), (18, 14317056), (24, 10737792), (26, 9911808), (27, 9544704), (32, 8053344), (36, 7158528), (39, 6607872), (48, 5368896), (52, 4955904), (54, 4772352), (64, 4026672), (72, 3579264), (78, 3303936), (81, 3181568), (96, 2684448), (104, 2477952), (108, 2386176), (117, 2202624), (128, 2013336), (144, 1789632), (156, 1651968), (162, 1590784), (192, 1342224), (208, 1238976), (216, 1193088), (234, 1101312), (239, 1078272), (256, 1006668), (288, 894816), (312, 825984), (324, 795392), (351, 734208), (384, 671112), (416, 619488), (432, 596544), (468, 550656), (478, 539136), (512, 503334), (576, 447408), (624, 412992), (648, 397696), (702, 367104), (717, 359424), (768, 335556), (832, 309744), (864, 298272), (936, 275328), (956, 269568), (1024, 251667), (1053, 244736), (1152, 223704), (1248, 206496), (1296, 198848), (1404, 183552), (1434, 179712), (1536, 167778), (1664, 154872), (1728, 149136), (1872, 137664), (1912, 134784), (2106, 122368), (2151, 119808), (2304, 111852), (2496, 103248), (2592, 99424), (2808, 91776), (2868, 89856), (3072, 83889), (3107, 82944), (3328, 77436), (3456, 74568), (3744, 68832), (3824, 67392), (4212, 61184), (4302, 59904), (4608, 55926), (4992, 51624), (5184, 49712), (5616, 45888), (5736, 44928), (6214, 41472), (6453, 39936), (6656, 38718), (6912, 37284), (7488, 34416), (7648, 33696), (8424, 30592), (8604, 29952), (9216, 27963), (9321, 27648), (9984, 25812), (10368, 24856), (11232, 22944), (11472, 22464), (12428, 20736), (12906, 19968), (13312, 19359), (13824, 18642), (14976, 17208), (15296, 16848)]