257017824

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 216

約数和(自身を含む): 876827952

約数和(自身を除く): 619810128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 241, 252, 276, 288, 322, 336, 368, 414, 482, 483, 504, 529, 552, 644, 672, 723, 736, 828, 964, 966, 1008, 1058, 1104, 1288, 1446, 1449, 1587, 1656, 1687, 1928, 1932, 2016, 2116, 2169, 2208, 2576, 2892, 2898, 3174, 3312, 3374, 3703, 3856, 3864, 4232, 4338, 4761, 5061, 5152, 5543, 5784, 5796, 6348, 6624, 6748, 7406, 7712, 7728, 8464, 8676, 9522, 10122, 11086, 11109, 11568, 11592, 12696, 13496, 14812, 15183, 15456, 16629, 16928, 17352, 19044, 20244, 22172, 22218, 23136, 23184, 25392, 26992, 29624, 30366, 33258, 33327, 34704, 38088, 38801, 40488, 44344, 44436, 46368, 49887, 50784, 53984, 59248, 60732, 66516, 66654, 69408, 76176, 77602, 80976, 88688, 88872, 99774, 116403, 118496, 121464, 127489, 133032, 133308, 152352, 155204, 161952, 177376, 177744, 199548, 232806, 242928, 254978, 266064, 266616, 310408, 349209, 355488, 382467, 399096, 465612, 485856, 509956, 532128, 533232, 620816, 698418, 764934, 798192, 892423, 931224, 1019912, 1066464, 1147401, 1241632, 1396836, 1529868, 1596384, 1784846, 1862448, 2039824, 2294802, 2677269, 2793672, 3059736, 3569692, 3724896, 4079648, 4589604, 5354538, 5587344, 6119472, 7139384, 8031807, 9179208, 10709076, 11174688, 12238944, 14278768, 16063614, 18358416, 21418152, 28557536, 32127228, 36716832, 42836304, 64254456, 85672608, 128508912, 257017824]

約数ペア:

[(1, 257017824), (2, 128508912), (3, 85672608), (4, 64254456), (6, 42836304), (7, 36716832), (8, 32127228), (9, 28557536), (12, 21418152), (14, 18358416), (16, 16063614), (18, 14278768), (21, 12238944), (23, 11174688), (24, 10709076), (28, 9179208), (32, 8031807), (36, 7139384), (42, 6119472), (46, 5587344), (48, 5354538), (56, 4589604), (63, 4079648), (69, 3724896), (72, 3569692), (84, 3059736), (92, 2793672), (96, 2677269), (112, 2294802), (126, 2039824), (138, 1862448), (144, 1784846), (161, 1596384), (168, 1529868), (184, 1396836), (207, 1241632), (224, 1147401), (241, 1066464), (252, 1019912), (276, 931224), (288, 892423), (322, 798192), (336, 764934), (368, 698418), (414, 620816), (482, 533232), (483, 532128), (504, 509956), (529, 485856), (552, 465612), (644, 399096), (672, 382467), (723, 355488), (736, 349209), (828, 310408), (964, 266616), (966, 266064), (1008, 254978), (1058, 242928), (1104, 232806), (1288, 199548), (1446, 177744), (1449, 177376), (1587, 161952), (1656, 155204), (1687, 152352), (1928, 133308), (1932, 133032), (2016, 127489), (2116, 121464), (2169, 118496), (2208, 116403), (2576, 99774), (2892, 88872), (2898, 88688), (3174, 80976), (3312, 77602), (3374, 76176), (3703, 69408), (3856, 66654), (3864, 66516), (4232, 60732), (4338, 59248), (4761, 53984), (5061, 50784), (5152, 49887), (5543, 46368), (5784, 44436), (5796, 44344), (6348, 40488), (6624, 38801), (6748, 38088), (7406, 34704), (7712, 33327), (7728, 33258), (8464, 30366), (8676, 29624), (9522, 26992), (10122, 25392), (11086, 23184), (11109, 23136), (11568, 22218), (11592, 22172), (12696, 20244), (13496, 19044), (14812, 17352), (15183, 16928), (15456, 16629)]