85390020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{474389}}^1$

素因数の和:474404

約数の個数: 36

約数和(自身を含む): 259016940

約数和(自身を除く): 173626920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 474389, 948778, 1423167, 1897556, 2371945, 2846334, 4269501, 4743890, 5692668, 7115835, 8539002, 9487780, 14231670, 17078004, 21347505, 28463340, 42695010, 85390020]

約数ペア:

[(1, 85390020), (2, 42695010), (3, 28463340), (4, 21347505), (5, 17078004), (6, 14231670), (9, 9487780), (10, 8539002), (12, 7115835), (15, 5692668), (18, 4743890), (20, 4269501), (30, 2846334), (36, 2371945), (45, 1897556), (60, 1423167), (90, 948778), (180, 474389)]