256644288

素因数分解:

$2^6\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1652

約数の個数: 140

約数和(自身を含む): 785806912

約数和(自身を除く): 529162624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1296, 1488, 1597, 1674, 1728, 1984, 2232, 2511, 2592, 2976, 3194, 3348, 4464, 4791, 5022, 5184, 5952, 6388, 6696, 8928, 9582, 10044, 12776, 13392, 14373, 17856, 19164, 20088, 25552, 26784, 28746, 38328, 40176, 43119, 49507, 51104, 53568, 57492, 76656, 80352, 86238, 99014, 102208, 114984, 129357, 148521, 153312, 160704, 172476, 198028, 229968, 258714, 297042, 306624, 344952, 396056, 445563, 459936, 517428, 594084, 689904, 792112, 891126, 919872, 1034856, 1188168, 1336689, 1379808, 1584224, 1782252, 2069712, 2376336, 2673378, 2759616, 3168448, 3564504, 4010067, 4139424, 4752672, 5346756, 7129008, 8020134, 8278848, 9505344, 10693512, 14258016, 16040268, 21387024, 28516032, 32080536, 42774048, 64161072, 85548096, 128322144, 256644288]

約数ペア:

[(1, 256644288), (2, 128322144), (3, 85548096), (4, 64161072), (6, 42774048), (8, 32080536), (9, 28516032), (12, 21387024), (16, 16040268), (18, 14258016), (24, 10693512), (27, 9505344), (31, 8278848), (32, 8020134), (36, 7129008), (48, 5346756), (54, 4752672), (62, 4139424), (64, 4010067), (72, 3564504), (81, 3168448), (93, 2759616), (96, 2673378), (108, 2376336), (124, 2069712), (144, 1782252), (162, 1584224), (186, 1379808), (192, 1336689), (216, 1188168), (248, 1034856), (279, 919872), (288, 891126), (324, 792112), (372, 689904), (432, 594084), (496, 517428), (558, 459936), (576, 445563), (648, 396056), (744, 344952), (837, 306624), (864, 297042), (992, 258714), (1116, 229968), (1296, 198028), (1488, 172476), (1597, 160704), (1674, 153312), (1728, 148521), (1984, 129357), (2232, 114984), (2511, 102208), (2592, 99014), (2976, 86238), (3194, 80352), (3348, 76656), (4464, 57492), (4791, 53568), (5022, 51104), (5184, 49507), (5952, 43119), (6388, 40176), (6696, 38328), (8928, 28746), (9582, 26784), (10044, 25552), (12776, 20088), (13392, 19164), (14373, 17856)]