280505856

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 160

約数和(自身を含む): 795091968

約数和(自身を除く): 514586112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 86, 93, 96, 124, 128, 129, 137, 172, 186, 192, 248, 256, 258, 274, 344, 372, 384, 411, 496, 512, 516, 548, 688, 744, 768, 822, 992, 1032, 1096, 1333, 1376, 1488, 1536, 1644, 1984, 2064, 2192, 2666, 2752, 2976, 3288, 3968, 3999, 4128, 4247, 4384, 5332, 5504, 5891, 5952, 6576, 7936, 7998, 8256, 8494, 8768, 10664, 11008, 11782, 11904, 12741, 13152, 15872, 15996, 16512, 16988, 17536, 17673, 21328, 22016, 23564, 23808, 25482, 26304, 31992, 33024, 33976, 35072, 35346, 42656, 47128, 47616, 50964, 52608, 63984, 66048, 67952, 70144, 70692, 85312, 94256, 101928, 105216, 127968, 135904, 141384, 170624, 182621, 188512, 203856, 210432, 255936, 271808, 282768, 341248, 365242, 377024, 407712, 511872, 543616, 547863, 565536, 682496, 730484, 754048, 815424, 1023744, 1087232, 1095726, 1131072, 1460968, 1508096, 1630848, 2047488, 2174464, 2191452, 2262144, 2921936, 3016192, 3261696, 4382904, 4524288, 5843872, 6523392, 8765808, 9048576, 11687744, 17531616, 23375488, 35063232, 46750976, 70126464, 93501952, 140252928, 280505856]

約数ペア:

[(1, 280505856), (2, 140252928), (3, 93501952), (4, 70126464), (6, 46750976), (8, 35063232), (12, 23375488), (16, 17531616), (24, 11687744), (31, 9048576), (32, 8765808), (43, 6523392), (48, 5843872), (62, 4524288), (64, 4382904), (86, 3261696), (93, 3016192), (96, 2921936), (124, 2262144), (128, 2191452), (129, 2174464), (137, 2047488), (172, 1630848), (186, 1508096), (192, 1460968), (248, 1131072), (256, 1095726), (258, 1087232), (274, 1023744), (344, 815424), (372, 754048), (384, 730484), (411, 682496), (496, 565536), (512, 547863), (516, 543616), (548, 511872), (688, 407712), (744, 377024), (768, 365242), (822, 341248), (992, 282768), (1032, 271808), (1096, 255936), (1333, 210432), (1376, 203856), (1488, 188512), (1536, 182621), (1644, 170624), (1984, 141384), (2064, 135904), (2192, 127968), (2666, 105216), (2752, 101928), (2976, 94256), (3288, 85312), (3968, 70692), (3999, 70144), (4128, 67952), (4247, 66048), (4384, 63984), (5332, 52608), (5504, 50964), (5891, 47616), (5952, 47128), (6576, 42656), (7936, 35346), (7998, 35072), (8256, 33976), (8494, 33024), (8768, 31992), (10664, 26304), (11008, 25482), (11782, 23808), (11904, 23564), (12741, 22016), (13152, 21328), (15872, 17673), (15996, 17536), (16512, 16988)]