1287080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 3024000

約数和(自身を除く): 1736920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 32177, 55960, 64354, 128708, 160885, 257416, 321770, 643540, 1287080]

約数ペア:

[(1, 1287080), (2, 643540), (4, 321770), (5, 257416), (8, 160885), (10, 128708), (20, 64354), (23, 55960), (40, 32177), (46, 27980), (92, 13990), (115, 11192), (184, 6995), (230, 5596), (460, 2798), (920, 1399)]