128348928

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 144

約数和(自身を含む): 392448000

約数和(自身を除く): 264099072

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, 599, 744, 768, 837, 864, 992, 1116, 1152, 1198, 1488, 1674, 1728, 1797, 1984, 2232, 2304, 2396, 2976, 3348, 3456, 3594, 3968, 4464, 4792, 5391, 5952, 6696, 6912, 7188, 7936, 8928, 9584, 10782, 11904, 13392, 14376, 16173, 17856, 18569, 19168, 21564, 23808, 26784, 28752, 32346, 35712, 37138, 38336, 43128, 53568, 55707, 57504, 64692, 71424, 74276, 76672, 86256, 107136, 111414, 115008, 129384, 148552, 153344, 167121, 172512, 214272, 222828, 230016, 258768, 297104, 334242, 345024, 445656, 460032, 501363, 517536, 594208, 668484, 690048, 891312, 1002726, 1035072, 1188416, 1336968, 1380096, 1782624, 2005452, 2070144, 2376832, 2673936, 3565248, 4010904, 4140288, 4753664, 5347872, 7130496, 8021808, 10695744, 14260992, 16043616, 21391488, 32087232, 42782976, 64174464, 128348928]

約数ペア:

[(1, 128348928), (2, 64174464), (3, 42782976), (4, 32087232), (6, 21391488), (8, 16043616), (9, 14260992), (12, 10695744), (16, 8021808), (18, 7130496), (24, 5347872), (27, 4753664), (31, 4140288), (32, 4010904), (36, 3565248), (48, 2673936), (54, 2376832), (62, 2070144), (64, 2005452), (72, 1782624), (93, 1380096), (96, 1336968), (108, 1188416), (124, 1035072), (128, 1002726), (144, 891312), (186, 690048), (192, 668484), (216, 594208), (248, 517536), (256, 501363), (279, 460032), (288, 445656), (372, 345024), (384, 334242), (432, 297104), (496, 258768), (558, 230016), (576, 222828), (599, 214272), (744, 172512), (768, 167121), (837, 153344), (864, 148552), (992, 129384), (1116, 115008), (1152, 111414), (1198, 107136), (1488, 86256), (1674, 76672), (1728, 74276), (1797, 71424), (1984, 64692), (2232, 57504), (2304, 55707), (2396, 53568), (2976, 43128), (3348, 38336), (3456, 37138), (3594, 35712), (3968, 32346), (4464, 28752), (4792, 26784), (5391, 23808), (5952, 21564), (6696, 19168), (6912, 18569), (7188, 17856), (7936, 16173), (8928, 14376), (9584, 13392), (10782, 11904)]