12720768

素因数分解:

$2^7\times 3^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 34165920

約数和(自身を除く): 21445152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 211, 314, 384, 422, 471, 628, 633, 844, 942, 1256, 1266, 1688, 1884, 2512, 2532, 3376, 3768, 5024, 5064, 6752, 7536, 10048, 10128, 13504, 15072, 20096, 20256, 27008, 30144, 33127, 40512, 60288, 66254, 81024, 99381, 132508, 198762, 265016, 397524, 530032, 795048, 1060064, 1590096, 2120128, 3180192, 4240256, 6360384, 12720768]

約数ペア:

[(1, 12720768), (2, 6360384), (3, 4240256), (4, 3180192), (6, 2120128), (8, 1590096), (12, 1060064), (16, 795048), (24, 530032), (32, 397524), (48, 265016), (64, 198762), (96, 132508), (128, 99381), (157, 81024), (192, 66254), (211, 60288), (314, 40512), (384, 33127), (422, 30144), (471, 27008), (628, 20256), (633, 20096), (844, 15072), (942, 13504), (1256, 10128), (1266, 10048), (1688, 7536), (1884, 6752), (2512, 5064), (2532, 5024), (3376, 3768)]