257741568

素因数分解:

$2^8\times 3^3\times 7^2\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 216

約数和(自身を含む): 887790960

約数和(自身を除く): 630049392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 761, 768, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1522, 1568, 1728, 1764, 1792, 2016, 2283, 2304, 2352, 2646, 2688, 3024, 3044, 3136, 3456, 3528, 4032, 4566, 4704, 5292, 5327, 5376, 6048, 6088, 6272, 6849, 6912, 7056, 8064, 9132, 9408, 10584, 10654, 12096, 12176, 12544, 13698, 14112, 15981, 16128, 18264, 18816, 20547, 21168, 21308, 24192, 24352, 27396, 28224, 31962, 36528, 37289, 37632, 41094, 42336, 42616, 47943, 48384, 48704, 54792, 56448, 63924, 73056, 74578, 82188, 84672, 85232, 95886, 97408, 109584, 111867, 112896, 127848, 143829, 146112, 149156, 164376, 169344, 170464, 191772, 194816, 219168, 223734, 255696, 287658, 292224, 298312, 328752, 335601, 338688, 340928, 383544, 438336, 447468, 511392, 575316, 584448, 596624, 657504, 671202, 681856, 767088, 876672, 894936, 1006803, 1022784, 1150632, 1193248, 1315008, 1342404, 1363712, 1534176, 1753344, 1789872, 2013606, 2045568, 2301264, 2386496, 2630016, 2684808, 3068352, 3579744, 4027212, 4091136, 4602528, 4772992, 5260032, 5369616, 6136704, 7159488, 8054424, 9205056, 9545984, 10739232, 12273408, 14318976, 16108848, 18410112, 21478464, 28637952, 32217696, 36820224, 42956928, 64435392, 85913856, 128870784, 257741568]

約数ペア:

[(1, 257741568), (2, 128870784), (3, 85913856), (4, 64435392), (6, 42956928), (7, 36820224), (8, 32217696), (9, 28637952), (12, 21478464), (14, 18410112), (16, 16108848), (18, 14318976), (21, 12273408), (24, 10739232), (27, 9545984), (28, 9205056), (32, 8054424), (36, 7159488), (42, 6136704), (48, 5369616), (49, 5260032), (54, 4772992), (56, 4602528), (63, 4091136), (64, 4027212), (72, 3579744), (84, 3068352), (96, 2684808), (98, 2630016), (108, 2386496), (112, 2301264), (126, 2045568), (128, 2013606), (144, 1789872), (147, 1753344), (168, 1534176), (189, 1363712), (192, 1342404), (196, 1315008), (216, 1193248), (224, 1150632), (252, 1022784), (256, 1006803), (288, 894936), (294, 876672), (336, 767088), (378, 681856), (384, 671202), (392, 657504), (432, 596624), (441, 584448), (448, 575316), (504, 511392), (576, 447468), (588, 438336), (672, 383544), (756, 340928), (761, 338688), (768, 335601), (784, 328752), (864, 298312), (882, 292224), (896, 287658), (1008, 255696), (1152, 223734), (1176, 219168), (1323, 194816), (1344, 191772), (1512, 170464), (1522, 169344), (1568, 164376), (1728, 149156), (1764, 146112), (1792, 143829), (2016, 127848), (2283, 112896), (2304, 111867), (2352, 109584), (2646, 97408), (2688, 95886), (3024, 85232), (3044, 84672), (3136, 82188), (3456, 74578), (3528, 73056), (4032, 63924), (4566, 56448), (4704, 54792), (5292, 48704), (5327, 48384), (5376, 47943), (6048, 42616), (6088, 42336), (6272, 41094), (6849, 37632), (6912, 37289), (7056, 36528), (8064, 31962), (9132, 28224), (9408, 27396), (10584, 24352), (10654, 24192), (12096, 21308), (12176, 21168), (12544, 20547), (13698, 18816), (14112, 18264), (15981, 16128)]