73778220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409879}}^1$

素因数の和:409894

約数の個数: 36

約数和(自身を含む): 223794480

約数和(自身を除く): 150016260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409879, 819758, 1229637, 1639516, 2049395, 2459274, 3688911, 4098790, 4918548, 6148185, 7377822, 8197580, 12296370, 14755644, 18444555, 24592740, 36889110, 73778220]

約数ペア:

[(1, 73778220), (2, 36889110), (3, 24592740), (4, 18444555), (5, 14755644), (6, 12296370), (9, 8197580), (10, 7377822), (12, 6148185), (15, 4918548), (18, 4098790), (20, 3688911), (30, 2459274), (36, 2049395), (45, 1639516), (60, 1229637), (90, 819758), (180, 409879)]