81147648

素因数分解:

$2^8\times 3^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 217669648

約数和(自身を除く): 136522000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 256, 314, 384, 471, 628, 673, 768, 942, 1256, 1346, 1884, 2019, 2512, 2692, 3768, 4038, 5024, 5384, 7536, 8076, 10048, 10768, 15072, 16152, 20096, 21536, 30144, 32304, 40192, 43072, 60288, 64608, 86144, 105661, 120576, 129216, 172288, 211322, 258432, 316983, 422644, 516864, 633966, 845288, 1267932, 1690576, 2535864, 3381152, 5071728, 6762304, 10143456, 13524608, 20286912, 27049216, 40573824, 81147648]

約数ペア:

[(1, 81147648), (2, 40573824), (3, 27049216), (4, 20286912), (6, 13524608), (8, 10143456), (12, 6762304), (16, 5071728), (24, 3381152), (32, 2535864), (48, 1690576), (64, 1267932), (96, 845288), (128, 633966), (157, 516864), (192, 422644), (256, 316983), (314, 258432), (384, 211322), (471, 172288), (628, 129216), (673, 120576), (768, 105661), (942, 86144), (1256, 64608), (1346, 60288), (1884, 43072), (2019, 40192), (2512, 32304), (2692, 30144), (3768, 21536), (4038, 20096), (5024, 16152), (5384, 15072), (7536, 10768), (8076, 10048)]