78690180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1311503}}^1$

素因数の和:1311515

約数の個数: 24

約数和(自身を含む): 220332672

約数和(自身を除く): 141642492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1311503, 2623006, 3934509, 5246012, 6557515, 7869018, 13115030, 15738036, 19672545, 26230060, 39345090, 78690180]

約数ペア:

[(1, 78690180), (2, 39345090), (3, 26230060), (4, 19672545), (5, 15738036), (6, 13115030), (10, 7869018), (12, 6557515), (15, 5246012), (20, 3934509), (30, 2623006), (60, 1311503)]