128777472

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 393756160

約数和(自身を除く): 264978688

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, 256, 279, 288, 372, 384, 432, 496, 558, 576, 601, 744, 768, 837, 864, 992, 1116, 1152, 1202, 1488, 1674, 1728, 1803, 1984, 2232, 2304, 2404, 2976, 3348, 3456, 3606, 3968, 4464, 4808, 5409, 5952, 6696, 6912, 7212, 7936, 8928, 9616, 10818, 11904, 13392, 14424, 16227, 17856, 18631, 19232, 21636, 23808, 26784, 28848, 32454, 35712, 37262, 38464, 43272, 53568, 55893, 57696, 64908, 71424, 74524, 76928, 86544, 107136, 111786, 115392, 129816, 149048, 153856, 167679, 173088, 214272, 223572, 230784, 259632, 298096, 335358, 346176, 447144, 461568, 503037, 519264, 596192, 670716, 692352, 894288, 1006074, 1038528, 1192384, 1341432, 1384704, 1788576, 2012148, 2077056, 2384768, 2682864, 3577152, 4024296, 4154112, 4769536, 5365728, 7154304, 8048592, 10731456, 14308608, 16097184, 21462912, 32194368, 42925824, 64388736, 128777472]

約数ペア:

[(1, 128777472), (2, 64388736), (3, 42925824), (4, 32194368), (6, 21462912), (8, 16097184), (9, 14308608), (12, 10731456), (16, 8048592), (18, 7154304), (24, 5365728), (27, 4769536), (31, 4154112), (32, 4024296), (36, 3577152), (48, 2682864), (54, 2384768), (62, 2077056), (64, 2012148), (72, 1788576), (93, 1384704), (96, 1341432), (108, 1192384), (124, 1038528), (128, 1006074), (144, 894288), (186, 692352), (192, 670716), (216, 596192), (248, 519264), (256, 503037), (279, 461568), (288, 447144), (372, 346176), (384, 335358), (432, 298096), (496, 259632), (558, 230784), (576, 223572), (601, 214272), (744, 173088), (768, 167679), (837, 153856), (864, 149048), (992, 129816), (1116, 115392), (1152, 111786), (1202, 107136), (1488, 86544), (1674, 76928), (1728, 74524), (1803, 71424), (1984, 64908), (2232, 57696), (2304, 55893), (2404, 53568), (2976, 43272), (3348, 38464), (3456, 37262), (3606, 35712), (3968, 32454), (4464, 28848), (4808, 26784), (5409, 23808), (5952, 21636), (6696, 19232), (6912, 18631), (7212, 17856), (7936, 16227), (8928, 14424), (9616, 13392), (10818, 11904)]