81328128

素因数分解:

$2^{11}\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 259983360

約数和(自身を除く): 178655232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 61, 62, 64, 84, 93, 96, 112, 122, 124, 128, 168, 183, 186, 192, 217, 224, 244, 248, 256, 336, 366, 372, 384, 427, 434, 448, 488, 496, 512, 651, 672, 732, 744, 768, 854, 868, 896, 976, 992, 1024, 1281, 1302, 1344, 1464, 1488, 1536, 1708, 1736, 1792, 1891, 1952, 1984, 2048, 2562, 2604, 2688, 2928, 2976, 3072, 3416, 3472, 3584, 3782, 3904, 3968, 5124, 5208, 5376, 5673, 5856, 5952, 6144, 6832, 6944, 7168, 7564, 7808, 7936, 10248, 10416, 10752, 11346, 11712, 11904, 13237, 13664, 13888, 14336, 15128, 15616, 15872, 20496, 20832, 21504, 22692, 23424, 23808, 26474, 27328, 27776, 30256, 31232, 31744, 39711, 40992, 41664, 43008, 45384, 46848, 47616, 52948, 54656, 55552, 60512, 62464, 63488, 79422, 81984, 83328, 90768, 93696, 95232, 105896, 109312, 111104, 121024, 124928, 158844, 163968, 166656, 181536, 187392, 190464, 211792, 218624, 222208, 242048, 317688, 327936, 333312, 363072, 374784, 423584, 437248, 444416, 484096, 635376, 655872, 666624, 726144, 847168, 874496, 968192, 1270752, 1311744, 1333248, 1452288, 1694336, 1936384, 2541504, 2623488, 2904576, 3388672, 3872768, 5083008, 5809152, 6777344, 10166016, 11618304, 13554688, 20332032, 27109376, 40664064, 81328128]

約数ペア:

[(1, 81328128), (2, 40664064), (3, 27109376), (4, 20332032), (6, 13554688), (7, 11618304), (8, 10166016), (12, 6777344), (14, 5809152), (16, 5083008), (21, 3872768), (24, 3388672), (28, 2904576), (31, 2623488), (32, 2541504), (42, 1936384), (48, 1694336), (56, 1452288), (61, 1333248), (62, 1311744), (64, 1270752), (84, 968192), (93, 874496), (96, 847168), (112, 726144), (122, 666624), (124, 655872), (128, 635376), (168, 484096), (183, 444416), (186, 437248), (192, 423584), (217, 374784), (224, 363072), (244, 333312), (248, 327936), (256, 317688), (336, 242048), (366, 222208), (372, 218624), (384, 211792), (427, 190464), (434, 187392), (448, 181536), (488, 166656), (496, 163968), (512, 158844), (651, 124928), (672, 121024), (732, 111104), (744, 109312), (768, 105896), (854, 95232), (868, 93696), (896, 90768), (976, 83328), (992, 81984), (1024, 79422), (1281, 63488), (1302, 62464), (1344, 60512), (1464, 55552), (1488, 54656), (1536, 52948), (1708, 47616), (1736, 46848), (1792, 45384), (1891, 43008), (1952, 41664), (1984, 40992), (2048, 39711), (2562, 31744), (2604, 31232), (2688, 30256), (2928, 27776), (2976, 27328), (3072, 26474), (3416, 23808), (3472, 23424), (3584, 22692), (3782, 21504), (3904, 20832), (3968, 20496), (5124, 15872), (5208, 15616), (5376, 15128), (5673, 14336), (5856, 13888), (5952, 13664), (6144, 13237), (6832, 11904), (6944, 11712), (7168, 11346), (7564, 10752), (7808, 10416), (7936, 10248)]