257390784

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 280

約数和(自身を含む): 898416288

約数和(自身を除く): 641025504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 48, 54, 56, 63, 64, 72, 81, 82, 84, 96, 108, 112, 123, 126, 144, 162, 164, 168, 173, 189, 192, 216, 224, 246, 252, 287, 288, 324, 328, 336, 346, 369, 378, 432, 448, 492, 504, 519, 567, 574, 576, 648, 656, 672, 692, 738, 756, 861, 864, 984, 1008, 1038, 1107, 1134, 1148, 1211, 1296, 1312, 1344, 1384, 1476, 1512, 1557, 1722, 1728, 1968, 2016, 2076, 2214, 2268, 2296, 2422, 2583, 2592, 2624, 2768, 2952, 3024, 3114, 3321, 3444, 3633, 3936, 4032, 4152, 4428, 4536, 4592, 4671, 4844, 5166, 5184, 5536, 5904, 6048, 6228, 6642, 6888, 7093, 7266, 7749, 7872, 8304, 8856, 9072, 9184, 9342, 9688, 10332, 10899, 11072, 11808, 12096, 12456, 13284, 13776, 14013, 14186, 14532, 15498, 16608, 17712, 18144, 18368, 18684, 19376, 20664, 21279, 21798, 23247, 23616, 24912, 26568, 27552, 28026, 28372, 29064, 30996, 32697, 33216, 35424, 36288, 37368, 38752, 41328, 42558, 43596, 46494, 49651, 49824, 53136, 55104, 56052, 56744, 58128, 61992, 63837, 65394, 70848, 74736, 77504, 82656, 85116, 87192, 92988, 98091, 99302, 99648, 106272, 112104, 113488, 116256, 123984, 127674, 130788, 148953, 149472, 165312, 170232, 174384, 185976, 191511, 196182, 198604, 212544, 224208, 226976, 232512, 247968, 255348, 261576, 297906, 298944, 340464, 348768, 371952, 383022, 392364, 397208, 446859, 448416, 453952, 495936, 510696, 523152, 574533, 595812, 680928, 697536, 743904, 766044, 784728, 794416, 893718, 896832, 1021392, 1046304, 1149066, 1191624, 1340577, 1361856, 1487808, 1532088, 1569456, 1588832, 1787436, 2042784, 2092608, 2298132, 2383248, 2681154, 3064176, 3138912, 3177664, 3574872, 4021731, 4085568, 4596264, 4766496, 5362308, 6128352, 6277824, 7149744, 8043462, 9192528, 9532992, 10724616, 12256704, 14299488, 16086924, 18385056, 21449232, 28598976, 32173848, 36770112, 42898464, 64347696, 85796928, 128695392, 257390784]

約数ペア:

[(1, 257390784), (2, 128695392), (3, 85796928), (4, 64347696), (6, 42898464), (7, 36770112), (8, 32173848), (9, 28598976), (12, 21449232), (14, 18385056), (16, 16086924), (18, 14299488), (21, 12256704), (24, 10724616), (27, 9532992), (28, 9192528), (32, 8043462), (36, 7149744), (41, 6277824), (42, 6128352), (48, 5362308), (54, 4766496), (56, 4596264), (63, 4085568), (64, 4021731), (72, 3574872), (81, 3177664), (82, 3138912), (84, 3064176), (96, 2681154), (108, 2383248), (112, 2298132), (123, 2092608), (126, 2042784), (144, 1787436), (162, 1588832), (164, 1569456), (168, 1532088), (173, 1487808), (189, 1361856), (192, 1340577), (216, 1191624), (224, 1149066), (246, 1046304), (252, 1021392), (287, 896832), (288, 893718), (324, 794416), (328, 784728), (336, 766044), (346, 743904), (369, 697536), (378, 680928), (432, 595812), (448, 574533), (492, 523152), (504, 510696), (519, 495936), (567, 453952), (574, 448416), (576, 446859), (648, 397208), (656, 392364), (672, 383022), (692, 371952), (738, 348768), (756, 340464), (861, 298944), (864, 297906), (984, 261576), (1008, 255348), (1038, 247968), (1107, 232512), (1134, 226976), (1148, 224208), (1211, 212544), (1296, 198604), (1312, 196182), (1344, 191511), (1384, 185976), (1476, 174384), (1512, 170232), (1557, 165312), (1722, 149472), (1728, 148953), (1968, 130788), (2016, 127674), (2076, 123984), (2214, 116256), (2268, 113488), (2296, 112104), (2422, 106272), (2583, 99648), (2592, 99302), (2624, 98091), (2768, 92988), (2952, 87192), (3024, 85116), (3114, 82656), (3321, 77504), (3444, 74736), (3633, 70848), (3936, 65394), (4032, 63837), (4152, 61992), (4428, 58128), (4536, 56744), (4592, 56052), (4671, 55104), (4844, 53136), (5166, 49824), (5184, 49651), (5536, 46494), (5904, 43596), (6048, 42558), (6228, 41328), (6642, 38752), (6888, 37368), (7093, 36288), (7266, 35424), (7749, 33216), (7872, 32697), (8304, 30996), (8856, 29064), (9072, 28372), (9184, 28026), (9342, 27552), (9688, 26568), (10332, 24912), (10899, 23616), (11072, 23247), (11808, 21798), (12096, 21279), (12456, 20664), (13284, 19376), (13776, 18684), (14013, 18368), (14186, 18144), (14532, 17712), (15498, 16608)]