255671808

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 240

約数和(自身を含む): 821018880

約数和(自身を除く): 565347072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 56, 64, 79, 84, 86, 96, 98, 112, 128, 129, 147, 158, 168, 172, 192, 196, 224, 237, 256, 258, 294, 301, 316, 336, 344, 384, 392, 448, 474, 512, 516, 553, 588, 602, 632, 672, 688, 768, 784, 896, 903, 948, 1032, 1106, 1176, 1204, 1264, 1344, 1376, 1536, 1568, 1659, 1792, 1806, 1896, 2064, 2107, 2212, 2352, 2408, 2528, 2688, 2752, 3136, 3318, 3397, 3584, 3612, 3792, 3871, 4128, 4214, 4424, 4704, 4816, 5056, 5376, 5504, 6272, 6321, 6636, 6794, 7224, 7584, 7742, 8256, 8428, 8848, 9408, 9632, 10112, 10191, 10752, 11008, 11613, 12544, 12642, 13272, 13588, 14448, 15168, 15484, 16512, 16856, 17696, 18816, 19264, 20224, 20382, 22016, 23226, 23779, 25088, 25284, 26544, 27176, 28896, 30336, 30968, 33024, 33712, 35392, 37632, 38528, 40448, 40764, 46452, 47558, 50568, 53088, 54352, 57792, 60672, 61936, 66048, 67424, 70784, 71337, 75264, 77056, 81528, 92904, 95116, 101136, 106176, 108704, 115584, 121344, 123872, 134848, 141568, 142674, 154112, 163056, 166453, 185808, 190232, 202272, 212352, 217408, 231168, 247744, 269696, 283136, 285348, 326112, 332906, 371616, 380464, 404544, 424704, 434816, 462336, 495488, 499359, 539392, 570696, 652224, 665812, 743232, 760928, 809088, 849408, 869632, 990976, 998718, 1078784, 1141392, 1304448, 1331624, 1486464, 1521856, 1618176, 1739264, 1981952, 1997436, 2282784, 2608896, 2663248, 2972928, 3043712, 3236352, 3994872, 4565568, 5217792, 5326496, 5945856, 6087424, 7989744, 9131136, 10652992, 12174848, 15979488, 18262272, 21305984, 31958976, 36524544, 42611968, 63917952, 85223936, 127835904, 255671808]

約数ペア:

[(1, 255671808), (2, 127835904), (3, 85223936), (4, 63917952), (6, 42611968), (7, 36524544), (8, 31958976), (12, 21305984), (14, 18262272), (16, 15979488), (21, 12174848), (24, 10652992), (28, 9131136), (32, 7989744), (42, 6087424), (43, 5945856), (48, 5326496), (49, 5217792), (56, 4565568), (64, 3994872), (79, 3236352), (84, 3043712), (86, 2972928), (96, 2663248), (98, 2608896), (112, 2282784), (128, 1997436), (129, 1981952), (147, 1739264), (158, 1618176), (168, 1521856), (172, 1486464), (192, 1331624), (196, 1304448), (224, 1141392), (237, 1078784), (256, 998718), (258, 990976), (294, 869632), (301, 849408), (316, 809088), (336, 760928), (344, 743232), (384, 665812), (392, 652224), (448, 570696), (474, 539392), (512, 499359), (516, 495488), (553, 462336), (588, 434816), (602, 424704), (632, 404544), (672, 380464), (688, 371616), (768, 332906), (784, 326112), (896, 285348), (903, 283136), (948, 269696), (1032, 247744), (1106, 231168), (1176, 217408), (1204, 212352), (1264, 202272), (1344, 190232), (1376, 185808), (1536, 166453), (1568, 163056), (1659, 154112), (1792, 142674), (1806, 141568), (1896, 134848), (2064, 123872), (2107, 121344), (2212, 115584), (2352, 108704), (2408, 106176), (2528, 101136), (2688, 95116), (2752, 92904), (3136, 81528), (3318, 77056), (3397, 75264), (3584, 71337), (3612, 70784), (3792, 67424), (3871, 66048), (4128, 61936), (4214, 60672), (4424, 57792), (4704, 54352), (4816, 53088), (5056, 50568), (5376, 47558), (5504, 46452), (6272, 40764), (6321, 40448), (6636, 38528), (6794, 37632), (7224, 35392), (7584, 33712), (7742, 33024), (8256, 30968), (8428, 30336), (8848, 28896), (9408, 27176), (9632, 26544), (10112, 25284), (10191, 25088), (10752, 23779), (11008, 23226), (11613, 22016), (12544, 20382), (12642, 20224), (13272, 19264), (13588, 18816), (14448, 17696), (15168, 16856), (15484, 16512)]