280839168

素因数分解:

$2^{10}\times 3^2\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1040

約数の個数: 132

約数和(自身を含む): 837927168

約数和(自身を除く): 557088000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 576, 744, 768, 983, 992, 1024, 1116, 1152, 1488, 1536, 1966, 1984, 2232, 2304, 2949, 2976, 3072, 3932, 3968, 4464, 4608, 5898, 5952, 7864, 7936, 8847, 8928, 9216, 11796, 11904, 15728, 15872, 17694, 17856, 23592, 23808, 30473, 31456, 31744, 35388, 35712, 47184, 47616, 60946, 62912, 70776, 71424, 91419, 94368, 95232, 121892, 125824, 141552, 142848, 182838, 188736, 243784, 251648, 274257, 283104, 285696, 365676, 377472, 487568, 503296, 548514, 566208, 731352, 754944, 975136, 1006592, 1097028, 1132416, 1462704, 1509888, 1950272, 2194056, 2264832, 2925408, 3019776, 3900544, 4388112, 4529664, 5850816, 7801088, 8776224, 9059328, 11701632, 15602176, 17552448, 23403264, 31204352, 35104896, 46806528, 70209792, 93613056, 140419584, 280839168]

約数ペア:

[(1, 280839168), (2, 140419584), (3, 93613056), (4, 70209792), (6, 46806528), (8, 35104896), (9, 31204352), (12, 23403264), (16, 17552448), (18, 15602176), (24, 11701632), (31, 9059328), (32, 8776224), (36, 7801088), (48, 5850816), (62, 4529664), (64, 4388112), (72, 3900544), (93, 3019776), (96, 2925408), (124, 2264832), (128, 2194056), (144, 1950272), (186, 1509888), (192, 1462704), (248, 1132416), (256, 1097028), (279, 1006592), (288, 975136), (372, 754944), (384, 731352), (496, 566208), (512, 548514), (558, 503296), (576, 487568), (744, 377472), (768, 365676), (983, 285696), (992, 283104), (1024, 274257), (1116, 251648), (1152, 243784), (1488, 188736), (1536, 182838), (1966, 142848), (1984, 141552), (2232, 125824), (2304, 121892), (2949, 95232), (2976, 94368), (3072, 91419), (3932, 71424), (3968, 70776), (4464, 62912), (4608, 60946), (5898, 47616), (5952, 47184), (7864, 35712), (7936, 35388), (8847, 31744), (8928, 31456), (9216, 30473), (11796, 23808), (11904, 23592), (15728, 17856), (15872, 17694)]