255090816

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2435

約数の個数: 128

約数和(自身を含む): 777484800

約数和(自身を除く): 522393984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 279, 288, 372, 384, 432, 496, 558, 576, 744, 837, 864, 992, 1116, 1152, 1488, 1674, 1728, 1984, 2232, 2381, 2976, 3348, 3456, 3968, 4464, 4762, 5952, 6696, 7143, 8928, 9524, 11904, 13392, 14286, 17856, 19048, 21429, 26784, 28572, 35712, 38096, 42858, 53568, 57144, 64287, 73811, 76192, 85716, 107136, 114288, 128574, 147622, 152384, 171432, 221433, 228576, 257148, 295244, 304768, 342864, 442866, 457152, 514296, 590488, 664299, 685728, 885732, 914304, 1028592, 1180976, 1328598, 1371456, 1771464, 1992897, 2057184, 2361952, 2657196, 2742912, 3542928, 3985794, 4114368, 4723904, 5314392, 7085856, 7971588, 8228736, 9447808, 10628784, 14171712, 15943176, 21257568, 28343424, 31886352, 42515136, 63772704, 85030272, 127545408, 255090816]

約数ペア:

[(1, 255090816), (2, 127545408), (3, 85030272), (4, 63772704), (6, 42515136), (8, 31886352), (9, 28343424), (12, 21257568), (16, 15943176), (18, 14171712), (24, 10628784), (27, 9447808), (31, 8228736), (32, 7971588), (36, 7085856), (48, 5314392), (54, 4723904), (62, 4114368), (64, 3985794), (72, 3542928), (93, 2742912), (96, 2657196), (108, 2361952), (124, 2057184), (128, 1992897), (144, 1771464), (186, 1371456), (192, 1328598), (216, 1180976), (248, 1028592), (279, 914304), (288, 885732), (372, 685728), (384, 664299), (432, 590488), (496, 514296), (558, 457152), (576, 442866), (744, 342864), (837, 304768), (864, 295244), (992, 257148), (1116, 228576), (1152, 221433), (1488, 171432), (1674, 152384), (1728, 147622), (1984, 128574), (2232, 114288), (2381, 107136), (2976, 85716), (3348, 76192), (3456, 73811), (3968, 64287), (4464, 57144), (4762, 53568), (5952, 42858), (6696, 38096), (7143, 35712), (8928, 28572), (9524, 26784), (11904, 21429), (13392, 19048), (14286, 17856)]