255836672

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 240

約数和(自身を含む): 703496640

約数和(自身を除く): 447659968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 32, 34, 38, 52, 56, 64, 68, 76, 91, 104, 112, 119, 128, 133, 136, 152, 182, 208, 221, 224, 238, 247, 256, 266, 272, 289, 304, 323, 364, 416, 442, 448, 476, 494, 512, 532, 544, 578, 608, 646, 728, 832, 884, 896, 952, 988, 1064, 1088, 1156, 1216, 1292, 1456, 1547, 1664, 1729, 1768, 1792, 1904, 1976, 2023, 2128, 2176, 2261, 2312, 2432, 2584, 2912, 3094, 3328, 3458, 3536, 3584, 3757, 3808, 3952, 4046, 4199, 4256, 4352, 4522, 4624, 4864, 5168, 5491, 5824, 6188, 6656, 6916, 7072, 7514, 7616, 7904, 8092, 8398, 8512, 8704, 9044, 9248, 9728, 10336, 10982, 11648, 12376, 13832, 14144, 15028, 15232, 15808, 16184, 16796, 17024, 18088, 18496, 20672, 21964, 23296, 24752, 26299, 27664, 28288, 29393, 30056, 30464, 31616, 32368, 33592, 34048, 36176, 36992, 38437, 41344, 43928, 46592, 49504, 52598, 55328, 56576, 58786, 60112, 60928, 63232, 64736, 67184, 68096, 71383, 72352, 73984, 76874, 82688, 87856, 99008, 105196, 110656, 113152, 117572, 120224, 126464, 129472, 134368, 142766, 144704, 147968, 153748, 165376, 175712, 198016, 210392, 221312, 235144, 240448, 258944, 268736, 285532, 289408, 307496, 351424, 396032, 420784, 442624, 470288, 480896, 499681, 517888, 537472, 571064, 578816, 614992, 702848, 792064, 841568, 885248, 940576, 961792, 999362, 1035776, 1074944, 1142128, 1157632, 1229984, 1405696, 1683136, 1881152, 1923584, 1998724, 2149888, 2284256, 2459968, 2811392, 3366272, 3762304, 3997448, 4568512, 4919936, 6732544, 7524608, 7994896, 9137024, 9839872, 13465088, 15049216, 15989792, 18274048, 19679744, 31979584, 36548096, 63959168, 127918336, 255836672]

約数ペア:

[(1, 255836672), (2, 127918336), (4, 63959168), (7, 36548096), (8, 31979584), (13, 19679744), (14, 18274048), (16, 15989792), (17, 15049216), (19, 13465088), (26, 9839872), (28, 9137024), (32, 7994896), (34, 7524608), (38, 6732544), (52, 4919936), (56, 4568512), (64, 3997448), (68, 3762304), (76, 3366272), (91, 2811392), (104, 2459968), (112, 2284256), (119, 2149888), (128, 1998724), (133, 1923584), (136, 1881152), (152, 1683136), (182, 1405696), (208, 1229984), (221, 1157632), (224, 1142128), (238, 1074944), (247, 1035776), (256, 999362), (266, 961792), (272, 940576), (289, 885248), (304, 841568), (323, 792064), (364, 702848), (416, 614992), (442, 578816), (448, 571064), (476, 537472), (494, 517888), (512, 499681), (532, 480896), (544, 470288), (578, 442624), (608, 420784), (646, 396032), (728, 351424), (832, 307496), (884, 289408), (896, 285532), (952, 268736), (988, 258944), (1064, 240448), (1088, 235144), (1156, 221312), (1216, 210392), (1292, 198016), (1456, 175712), (1547, 165376), (1664, 153748), (1729, 147968), (1768, 144704), (1792, 142766), (1904, 134368), (1976, 129472), (2023, 126464), (2128, 120224), (2176, 117572), (2261, 113152), (2312, 110656), (2432, 105196), (2584, 99008), (2912, 87856), (3094, 82688), (3328, 76874), (3458, 73984), (3536, 72352), (3584, 71383), (3757, 68096), (3808, 67184), (3952, 64736), (4046, 63232), (4199, 60928), (4256, 60112), (4352, 58786), (4522, 56576), (4624, 55328), (4864, 52598), (5168, 49504), (5491, 46592), (5824, 43928), (6188, 41344), (6656, 38437), (6916, 36992), (7072, 36176), (7514, 34048), (7616, 33592), (7904, 32368), (8092, 31616), (8398, 30464), (8512, 30056), (8704, 29393), (9044, 28288), (9248, 27664), (9728, 26299), (10336, 24752), (10982, 23296), (11648, 21964), (12376, 20672), (13832, 18496), (14144, 18088), (15028, 17024), (15232, 16796), (15808, 16184)]