81277320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677311}}^1$

素因数の和:677325

約数の個数: 32

約数和(自身を含む): 243832320

約数和(自身を除く): 162555000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677311, 1354622, 2031933, 2709244, 3386555, 4063866, 5418488, 6773110, 8127732, 10159665, 13546220, 16255464, 20319330, 27092440, 40638660, 81277320]

約数ペア:

[(1, 81277320), (2, 40638660), (3, 27092440), (4, 20319330), (5, 16255464), (6, 13546220), (8, 10159665), (10, 8127732), (12, 6773110), (15, 5418488), (20, 4063866), (24, 3386555), (30, 2709244), (40, 2031933), (60, 1354622), (120, 677311)]