256763520

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 384

約数和(自身を含む): 998000640

約数和(自身を除く): 741237120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 127, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 243, 254, 260, 270, 288, 312, 320, 324, 351, 360, 381, 384, 390, 405, 416, 432, 468, 480, 486, 508, 520, 540, 576, 585, 624, 635, 640, 648, 702, 720, 762, 780, 810, 832, 864, 936, 960, 972, 1016, 1040, 1053, 1080, 1143, 1152, 1170, 1215, 1248, 1270, 1296, 1404, 1440, 1524, 1560, 1620, 1651, 1664, 1728, 1755, 1872, 1905, 1920, 1944, 2032, 2080, 2106, 2160, 2286, 2340, 2430, 2496, 2540, 2592, 2808, 2880, 3048, 3120, 3159, 3240, 3302, 3429, 3456, 3510, 3744, 3810, 3888, 4064, 4160, 4212, 4320, 4572, 4680, 4860, 4953, 4992, 5080, 5184, 5265, 5616, 5715, 5760, 6096, 6240, 6318, 6480, 6604, 6858, 7020, 7488, 7620, 7776, 8128, 8255, 8320, 8424, 8640, 9144, 9360, 9720, 9906, 10160, 10287, 10368, 10530, 11232, 11430, 12192, 12480, 12636, 12960, 13208, 13716, 14040, 14859, 14976, 15240, 15552, 15795, 16256, 16510, 16848, 17145, 17280, 18288, 18720, 19440, 19812, 20320, 20574, 21060, 22464, 22860, 24384, 24765, 24960, 25272, 25920, 26416, 27432, 28080, 29718, 30480, 30861, 31104, 31590, 33020, 33696, 34290, 36576, 37440, 38880, 39624, 40640, 41148, 42120, 44577, 44928, 45720, 48768, 49530, 50544, 51435, 51840, 52832, 54864, 56160, 59436, 60960, 61722, 63180, 66040, 67392, 68580, 73152, 74295, 74880, 77760, 79248, 81280, 82296, 84240, 89154, 91440, 99060, 101088, 102870, 105664, 109728, 112320, 118872, 121920, 123444, 126360, 132080, 133731, 134784, 137160, 146304, 148590, 154305, 155520, 158496, 164592, 168480, 178308, 182880, 198120, 202176, 205740, 211328, 219456, 222885, 224640, 237744, 243840, 246888, 252720, 264160, 267462, 274320, 297180, 308610, 316992, 329184, 336960, 356616, 365760, 396240, 401193, 404352, 411480, 438912, 445770, 475488, 493776, 505440, 528320, 534924, 548640, 594360, 617220, 633984, 658368, 668655, 673920, 713232, 731520, 792480, 802386, 822960, 891540, 950976, 987552, 1010880, 1056640, 1069848, 1097280, 1188720, 1234440, 1316736, 1337310, 1426464, 1584960, 1604772, 1645920, 1783080, 1901952, 1975104, 2005965, 2021760, 2139696, 2194560, 2377440, 2468880, 2674620, 2852928, 3169920, 3209544, 3291840, 3566160, 3950208, 4011930, 4279392, 4754880, 4937760, 5349240, 5705856, 6419088, 6583680, 7132320, 8023860, 8558784, 9509760, 9875520, 10698480, 12838176, 14264640, 16047720, 17117568, 19751040, 21396960, 25676352, 28529280, 32095440, 42793920, 51352704, 64190880, 85587840, 128381760, 256763520]

約数ペア:

[(1, 256763520), (2, 128381760), (3, 85587840), (4, 64190880), (5, 51352704), (6, 42793920), (8, 32095440), (9, 28529280), (10, 25676352), (12, 21396960), (13, 19751040), (15, 17117568), (16, 16047720), (18, 14264640), (20, 12838176), (24, 10698480), (26, 9875520), (27, 9509760), (30, 8558784), (32, 8023860), (36, 7132320), (39, 6583680), (40, 6419088), (45, 5705856), (48, 5349240), (52, 4937760), (54, 4754880), (60, 4279392), (64, 4011930), (65, 3950208), (72, 3566160), (78, 3291840), (80, 3209544), (81, 3169920), (90, 2852928), (96, 2674620), (104, 2468880), (108, 2377440), (117, 2194560), (120, 2139696), (127, 2021760), (128, 2005965), (130, 1975104), (135, 1901952), (144, 1783080), (156, 1645920), (160, 1604772), (162, 1584960), (180, 1426464), (192, 1337310), (195, 1316736), (208, 1234440), (216, 1188720), (234, 1097280), (240, 1069848), (243, 1056640), (254, 1010880), (260, 987552), (270, 950976), (288, 891540), (312, 822960), (320, 802386), (324, 792480), (351, 731520), (360, 713232), (381, 673920), (384, 668655), (390, 658368), (405, 633984), (416, 617220), (432, 594360), (468, 548640), (480, 534924), (486, 528320), (508, 505440), (520, 493776), (540, 475488), (576, 445770), (585, 438912), (624, 411480), (635, 404352), (640, 401193), (648, 396240), (702, 365760), (720, 356616), (762, 336960), (780, 329184), (810, 316992), (832, 308610), (864, 297180), (936, 274320), (960, 267462), (972, 264160), (1016, 252720), (1040, 246888), (1053, 243840), (1080, 237744), (1143, 224640), (1152, 222885), (1170, 219456), (1215, 211328), (1248, 205740), (1270, 202176), (1296, 198120), (1404, 182880), (1440, 178308), (1524, 168480), (1560, 164592), (1620, 158496), (1651, 155520), (1664, 154305), (1728, 148590), (1755, 146304), (1872, 137160), (1905, 134784), (1920, 133731), (1944, 132080), (2032, 126360), (2080, 123444), (2106, 121920), (2160, 118872), (2286, 112320), (2340, 109728), (2430, 105664), (2496, 102870), (2540, 101088), (2592, 99060), (2808, 91440), (2880, 89154), (3048, 84240), (3120, 82296), (3159, 81280), (3240, 79248), (3302, 77760), (3429, 74880), (3456, 74295), (3510, 73152), (3744, 68580), (3810, 67392), (3888, 66040), (4064, 63180), (4160, 61722), (4212, 60960), (4320, 59436), (4572, 56160), (4680, 54864), (4860, 52832), (4953, 51840), (4992, 51435), (5080, 50544), (5184, 49530), (5265, 48768), (5616, 45720), (5715, 44928), (5760, 44577), (6096, 42120), (6240, 41148), (6318, 40640), (6480, 39624), (6604, 38880), (6858, 37440), (7020, 36576), (7488, 34290), (7620, 33696), (7776, 33020), (8128, 31590), (8255, 31104), (8320, 30861), (8424, 30480), (8640, 29718), (9144, 28080), (9360, 27432), (9720, 26416), (9906, 25920), (10160, 25272), (10287, 24960), (10368, 24765), (10530, 24384), (11232, 22860), (11430, 22464), (12192, 21060), (12480, 20574), (12636, 20320), (12960, 19812), (13208, 19440), (13716, 18720), (14040, 18288), (14859, 17280), (14976, 17145), (15240, 16848), (15552, 16510), (15795, 16256)]