257021856

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:513

約数の個数: 288

約数和(自身を含む): 941129280

約数和(自身を除く): 684107424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 49, 52, 54, 56, 63, 72, 78, 84, 91, 96, 98, 104, 108, 112, 117, 126, 144, 147, 156, 168, 182, 189, 196, 208, 216, 224, 234, 252, 273, 288, 294, 312, 336, 351, 364, 378, 392, 416, 432, 441, 467, 468, 504, 546, 588, 624, 637, 672, 702, 728, 756, 784, 819, 864, 882, 934, 936, 1008, 1092, 1176, 1248, 1274, 1323, 1401, 1404, 1456, 1512, 1568, 1638, 1764, 1868, 1872, 1911, 2016, 2184, 2352, 2457, 2548, 2646, 2802, 2808, 2912, 3024, 3269, 3276, 3528, 3736, 3744, 3822, 4203, 4368, 4704, 4914, 5096, 5292, 5604, 5616, 5733, 6048, 6071, 6538, 6552, 7056, 7472, 7644, 8406, 8736, 9807, 9828, 10192, 10584, 11208, 11232, 11466, 12142, 12609, 13076, 13104, 14112, 14944, 15288, 16812, 17199, 18213, 19614, 19656, 20384, 21168, 22416, 22883, 22932, 24284, 25218, 26152, 26208, 29421, 30576, 33624, 34398, 36426, 39228, 39312, 42336, 42497, 44832, 45766, 45864, 48568, 50436, 52304, 54639, 58842, 61152, 67248, 68649, 68796, 72852, 78456, 78624, 84994, 88263, 91532, 91728, 97136, 100872, 104608, 109278, 117684, 127491, 134496, 137298, 137592, 145704, 156912, 163917, 169988, 176526, 183064, 183456, 194272, 201744, 205947, 218556, 235368, 254982, 274596, 275184, 291408, 297479, 313824, 327834, 339976, 353052, 366128, 382473, 403488, 411894, 437112, 470736, 509964, 549192, 550368, 582816, 594958, 617841, 655668, 679952, 706104, 732256, 764946, 823788, 874224, 892437, 941472, 1019928, 1098384, 1147419, 1189916, 1235682, 1311336, 1359904, 1412208, 1529892, 1647576, 1748448, 1784874, 2039856, 2196768, 2294838, 2379832, 2471364, 2622672, 2677311, 2824416, 3059784, 3295152, 3569748, 4079712, 4589676, 4759664, 4942728, 5245344, 5354622, 6119568, 6590304, 7139496, 8031933, 9179352, 9519328, 9885456, 10709244, 12239136, 14278992, 16063866, 18358704, 19770912, 21418488, 28557984, 32127732, 36717408, 42836976, 64255464, 85673952, 128510928, 257021856]

約数ペア:

[(1, 257021856), (2, 128510928), (3, 85673952), (4, 64255464), (6, 42836976), (7, 36717408), (8, 32127732), (9, 28557984), (12, 21418488), (13, 19770912), (14, 18358704), (16, 16063866), (18, 14278992), (21, 12239136), (24, 10709244), (26, 9885456), (27, 9519328), (28, 9179352), (32, 8031933), (36, 7139496), (39, 6590304), (42, 6119568), (48, 5354622), (49, 5245344), (52, 4942728), (54, 4759664), (56, 4589676), (63, 4079712), (72, 3569748), (78, 3295152), (84, 3059784), (91, 2824416), (96, 2677311), (98, 2622672), (104, 2471364), (108, 2379832), (112, 2294838), (117, 2196768), (126, 2039856), (144, 1784874), (147, 1748448), (156, 1647576), (168, 1529892), (182, 1412208), (189, 1359904), (196, 1311336), (208, 1235682), (216, 1189916), (224, 1147419), (234, 1098384), (252, 1019928), (273, 941472), (288, 892437), (294, 874224), (312, 823788), (336, 764946), (351, 732256), (364, 706104), (378, 679952), (392, 655668), (416, 617841), (432, 594958), (441, 582816), (467, 550368), (468, 549192), (504, 509964), (546, 470736), (588, 437112), (624, 411894), (637, 403488), (672, 382473), (702, 366128), (728, 353052), (756, 339976), (784, 327834), (819, 313824), (864, 297479), (882, 291408), (934, 275184), (936, 274596), (1008, 254982), (1092, 235368), (1176, 218556), (1248, 205947), (1274, 201744), (1323, 194272), (1401, 183456), (1404, 183064), (1456, 176526), (1512, 169988), (1568, 163917), (1638, 156912), (1764, 145704), (1868, 137592), (1872, 137298), (1911, 134496), (2016, 127491), (2184, 117684), (2352, 109278), (2457, 104608), (2548, 100872), (2646, 97136), (2802, 91728), (2808, 91532), (2912, 88263), (3024, 84994), (3269, 78624), (3276, 78456), (3528, 72852), (3736, 68796), (3744, 68649), (3822, 67248), (4203, 61152), (4368, 58842), (4704, 54639), (4914, 52304), (5096, 50436), (5292, 48568), (5604, 45864), (5616, 45766), (5733, 44832), (6048, 42497), (6071, 42336), (6538, 39312), (6552, 39228), (7056, 36426), (7472, 34398), (7644, 33624), (8406, 30576), (8736, 29421), (9807, 26208), (9828, 26152), (10192, 25218), (10584, 24284), (11208, 22932), (11232, 22883), (11466, 22416), (12142, 21168), (12609, 20384), (13076, 19656), (13104, 19614), (14112, 18213), (14944, 17199), (15288, 16812)]