28804740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20873}}^1$

素因数の和:20908

約数の個数: 48

約数和(自身を含む): 84163968

約数和(自身を除く): 55359228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20873, 41746, 62619, 83492, 104365, 125238, 208730, 250476, 313095, 417460, 480079, 626190, 960158, 1252380, 1440237, 1920316, 2400395, 2880474, 4800790, 5760948, 7201185, 9601580, 14402370, 28804740]

約数ペア:

[(1, 28804740), (2, 14402370), (3, 9601580), (4, 7201185), (5, 5760948), (6, 4800790), (10, 2880474), (12, 2400395), (15, 1920316), (20, 1440237), (23, 1252380), (30, 960158), (46, 626190), (60, 480079), (69, 417460), (92, 313095), (115, 250476), (138, 208730), (230, 125238), (276, 104365), (345, 83492), (460, 62619), (690, 41746), (1380, 20873)]