255358656

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 280

約数和(自身を含む): 896941056

約数和(自身を除く): 641582400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 192, 216, 217, 224, 227, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 448, 454, 496, 504, 558, 567, 576, 648, 651, 672, 681, 744, 756, 837, 864, 868, 908, 992, 1008, 1116, 1134, 1296, 1302, 1344, 1362, 1488, 1512, 1589, 1674, 1728, 1736, 1816, 1953, 1984, 2016, 2043, 2232, 2268, 2511, 2592, 2604, 2724, 2976, 3024, 3178, 3348, 3472, 3632, 3906, 4032, 4086, 4464, 4536, 4767, 5022, 5184, 5208, 5448, 5859, 5952, 6048, 6129, 6356, 6696, 6944, 7037, 7264, 7812, 8172, 8928, 9072, 9534, 10044, 10416, 10896, 11718, 12096, 12258, 12712, 13392, 13888, 14074, 14301, 14528, 15624, 16344, 17577, 17856, 18144, 18387, 19068, 20088, 20832, 21111, 21792, 23436, 24516, 25424, 26784, 28148, 28602, 31248, 32688, 35154, 36288, 36774, 38136, 40176, 41664, 42222, 42903, 43584, 46872, 49032, 49259, 50848, 53568, 56296, 57204, 62496, 63333, 65376, 70308, 73548, 76272, 80352, 84444, 85806, 93744, 98064, 98518, 101696, 112592, 114408, 124992, 126666, 128709, 130752, 140616, 147096, 147777, 152544, 160704, 168888, 171612, 187488, 189999, 196128, 197036, 225184, 228816, 253332, 257418, 281232, 294192, 295554, 305088, 337776, 343224, 374976, 379998, 392256, 394072, 443331, 450368, 457632, 506664, 514836, 562464, 569997, 588384, 591108, 675552, 686448, 759996, 788144, 886662, 915264, 1013328, 1029672, 1124928, 1139994, 1176768, 1182216, 1329993, 1351104, 1372896, 1519992, 1576288, 1773324, 2026656, 2059344, 2279988, 2364432, 2659986, 2745792, 3039984, 3152576, 3546648, 3989979, 4053312, 4118688, 4559976, 4728864, 5319972, 6079968, 7093296, 7979958, 8237376, 9119952, 9457728, 10639944, 12159936, 14186592, 15959916, 18239904, 21279888, 28373184, 31919832, 36479808, 42559776, 63839664, 85119552, 127679328, 255358656]

約数ペア:

[(1, 255358656), (2, 127679328), (3, 85119552), (4, 63839664), (6, 42559776), (7, 36479808), (8, 31919832), (9, 28373184), (12, 21279888), (14, 18239904), (16, 15959916), (18, 14186592), (21, 12159936), (24, 10639944), (27, 9457728), (28, 9119952), (31, 8237376), (32, 7979958), (36, 7093296), (42, 6079968), (48, 5319972), (54, 4728864), (56, 4559976), (62, 4118688), (63, 4053312), (64, 3989979), (72, 3546648), (81, 3152576), (84, 3039984), (93, 2745792), (96, 2659986), (108, 2364432), (112, 2279988), (124, 2059344), (126, 2026656), (144, 1773324), (162, 1576288), (168, 1519992), (186, 1372896), (189, 1351104), (192, 1329993), (216, 1182216), (217, 1176768), (224, 1139994), (227, 1124928), (248, 1029672), (252, 1013328), (279, 915264), (288, 886662), (324, 788144), (336, 759996), (372, 686448), (378, 675552), (432, 591108), (434, 588384), (448, 569997), (454, 562464), (496, 514836), (504, 506664), (558, 457632), (567, 450368), (576, 443331), (648, 394072), (651, 392256), (672, 379998), (681, 374976), (744, 343224), (756, 337776), (837, 305088), (864, 295554), (868, 294192), (908, 281232), (992, 257418), (1008, 253332), (1116, 228816), (1134, 225184), (1296, 197036), (1302, 196128), (1344, 189999), (1362, 187488), (1488, 171612), (1512, 168888), (1589, 160704), (1674, 152544), (1728, 147777), (1736, 147096), (1816, 140616), (1953, 130752), (1984, 128709), (2016, 126666), (2043, 124992), (2232, 114408), (2268, 112592), (2511, 101696), (2592, 98518), (2604, 98064), (2724, 93744), (2976, 85806), (3024, 84444), (3178, 80352), (3348, 76272), (3472, 73548), (3632, 70308), (3906, 65376), (4032, 63333), (4086, 62496), (4464, 57204), (4536, 56296), (4767, 53568), (5022, 50848), (5184, 49259), (5208, 49032), (5448, 46872), (5859, 43584), (5952, 42903), (6048, 42222), (6129, 41664), (6356, 40176), (6696, 38136), (6944, 36774), (7037, 36288), (7264, 35154), (7812, 32688), (8172, 31248), (8928, 28602), (9072, 28148), (9534, 26784), (10044, 25424), (10416, 24516), (10896, 23436), (11718, 21792), (12096, 21111), (12258, 20832), (12712, 20088), (13392, 19068), (13888, 18387), (14074, 18144), (14301, 17856), (14528, 17577), (15624, 16344)]