81621570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66359}}^1$

素因数の和:66410

約数の個数: 32

約数和(自身を含む): 200672640

約数和(自身を除く): 119051070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 66359, 132718, 199077, 331795, 398154, 663590, 995385, 1990770, 2720719, 5441438, 8162157, 13603595, 16324314, 27207190, 40810785, 81621570]

約数ペア:

[(1, 81621570), (2, 40810785), (3, 27207190), (5, 16324314), (6, 13603595), (10, 8162157), (15, 5441438), (30, 2720719), (41, 1990770), (82, 995385), (123, 663590), (205, 398154), (246, 331795), (410, 199077), (615, 132718), (1230, 66359)]