264260864

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 640475136

約数和(自身を除く): 376214272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 67, 71, 112, 124, 128, 134, 142, 217, 224, 248, 256, 268, 284, 434, 448, 469, 496, 497, 536, 568, 868, 896, 938, 992, 994, 1072, 1136, 1736, 1792, 1876, 1984, 1988, 2077, 2144, 2201, 2272, 3472, 3752, 3968, 3976, 4154, 4288, 4402, 4544, 4757, 6944, 7504, 7936, 7952, 8308, 8576, 8804, 9088, 9514, 13888, 14539, 15008, 15407, 15904, 16616, 17152, 17608, 18176, 19028, 27776, 29078, 30016, 30814, 31808, 33232, 33299, 35216, 38056, 55552, 58156, 60032, 61628, 63616, 66464, 66598, 70432, 76112, 116312, 120064, 123256, 127232, 132928, 133196, 140864, 147467, 152224, 232624, 246512, 265856, 266392, 281728, 294934, 304448, 465248, 493024, 531712, 532784, 563456, 589868, 608896, 930496, 986048, 1032269, 1065568, 1179736, 1217792, 1860992, 1972096, 2064538, 2131136, 2359472, 3721984, 3944192, 4129076, 4262272, 4718944, 8258152, 8524544, 9437888, 16516304, 18875776, 33032608, 37751552, 66065216, 132130432, 264260864]

約数ペア:

[(1, 264260864), (2, 132130432), (4, 66065216), (7, 37751552), (8, 33032608), (14, 18875776), (16, 16516304), (28, 9437888), (31, 8524544), (32, 8258152), (56, 4718944), (62, 4262272), (64, 4129076), (67, 3944192), (71, 3721984), (112, 2359472), (124, 2131136), (128, 2064538), (134, 1972096), (142, 1860992), (217, 1217792), (224, 1179736), (248, 1065568), (256, 1032269), (268, 986048), (284, 930496), (434, 608896), (448, 589868), (469, 563456), (496, 532784), (497, 531712), (536, 493024), (568, 465248), (868, 304448), (896, 294934), (938, 281728), (992, 266392), (994, 265856), (1072, 246512), (1136, 232624), (1736, 152224), (1792, 147467), (1876, 140864), (1984, 133196), (1988, 132928), (2077, 127232), (2144, 123256), (2201, 120064), (2272, 116312), (3472, 76112), (3752, 70432), (3968, 66598), (3976, 66464), (4154, 63616), (4288, 61628), (4402, 60032), (4544, 58156), (4757, 55552), (6944, 38056), (7504, 35216), (7936, 33299), (7952, 33232), (8308, 31808), (8576, 30814), (8804, 30016), (9088, 29078), (9514, 27776), (13888, 19028), (14539, 18176), (15008, 17608), (15407, 17152), (15904, 16616)]