256322304

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 216

約数和(自身を含む): 882615552

約数和(自身を除く): 626293248

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, 64, 69, 72, 84, 92, 96, 112, 126, 128, 138, 144, 161, 168, 184, 192, 207, 224, 252, 256, 276, 288, 322, 336, 368, 384, 414, 448, 483, 504, 552, 576, 644, 672, 691, 736, 768, 828, 896, 966, 1008, 1104, 1152, 1288, 1344, 1382, 1449, 1472, 1656, 1792, 1932, 2016, 2073, 2208, 2304, 2576, 2688, 2764, 2898, 2944, 3312, 3864, 4032, 4146, 4416, 4837, 5152, 5376, 5528, 5796, 5888, 6219, 6624, 7728, 8064, 8292, 8832, 9674, 10304, 11056, 11592, 12438, 13248, 14511, 15456, 15893, 16128, 16584, 17664, 19348, 20608, 22112, 23184, 24876, 26496, 29022, 30912, 31786, 33168, 38696, 41216, 43533, 44224, 46368, 47679, 49752, 52992, 58044, 61824, 63572, 66336, 77392, 87066, 88448, 92736, 95358, 99504, 111251, 116088, 123648, 127144, 132672, 143037, 154784, 174132, 176896, 185472, 190716, 199008, 222502, 232176, 254288, 265344, 286074, 309568, 333753, 348264, 370944, 381432, 398016, 445004, 464352, 508576, 530688, 572148, 619136, 667506, 696528, 762864, 796032, 890008, 928704, 1001259, 1017152, 1144296, 1238272, 1335012, 1393056, 1525728, 1592064, 1780016, 1857408, 2002518, 2034304, 2288592, 2670024, 2786112, 3051456, 3560032, 3714816, 4005036, 4068608, 4577184, 5340048, 5572224, 6102912, 7120064, 8010072, 9154368, 10680096, 11144448, 12205824, 14240128, 16020144, 18308736, 21360192, 28480256, 32040288, 36617472, 42720384, 64080576, 85440768, 128161152, 256322304]

約数ペア:

[(1, 256322304), (2, 128161152), (3, 85440768), (4, 64080576), (6, 42720384), (7, 36617472), (8, 32040288), (9, 28480256), (12, 21360192), (14, 18308736), (16, 16020144), (18, 14240128), (21, 12205824), (23, 11144448), (24, 10680096), (28, 9154368), (32, 8010072), (36, 7120064), (42, 6102912), (46, 5572224), (48, 5340048), (56, 4577184), (63, 4068608), (64, 4005036), (69, 3714816), (72, 3560032), (84, 3051456), (92, 2786112), (96, 2670024), (112, 2288592), (126, 2034304), (128, 2002518), (138, 1857408), (144, 1780016), (161, 1592064), (168, 1525728), (184, 1393056), (192, 1335012), (207, 1238272), (224, 1144296), (252, 1017152), (256, 1001259), (276, 928704), (288, 890008), (322, 796032), (336, 762864), (368, 696528), (384, 667506), (414, 619136), (448, 572148), (483, 530688), (504, 508576), (552, 464352), (576, 445004), (644, 398016), (672, 381432), (691, 370944), (736, 348264), (768, 333753), (828, 309568), (896, 286074), (966, 265344), (1008, 254288), (1104, 232176), (1152, 222502), (1288, 199008), (1344, 190716), (1382, 185472), (1449, 176896), (1472, 174132), (1656, 154784), (1792, 143037), (1932, 132672), (2016, 127144), (2073, 123648), (2208, 116088), (2304, 111251), (2576, 99504), (2688, 95358), (2764, 92736), (2898, 88448), (2944, 87066), (3312, 77392), (3864, 66336), (4032, 63572), (4146, 61824), (4416, 58044), (4837, 52992), (5152, 49752), (5376, 47679), (5528, 46368), (5796, 44224), (5888, 43533), (6219, 41216), (6624, 38696), (7728, 33168), (8064, 31786), (8292, 30912), (8832, 29022), (9674, 26496), (10304, 24876), (11056, 23184), (11592, 22112), (12438, 20608), (13248, 19348), (14511, 17664), (15456, 16584), (15893, 16128)]