21654480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90227}}^1$

素因数の和:90243

約数の個数: 40

約数和(自身を含む): 67129632

約数和(自身を除く): 45475152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90227, 180454, 270681, 360908, 451135, 541362, 721816, 902270, 1082724, 1353405, 1443632, 1804540, 2165448, 2706810, 3609080, 4330896, 5413620, 7218160, 10827240, 21654480]

約数ペア:

[(1, 21654480), (2, 10827240), (3, 7218160), (4, 5413620), (5, 4330896), (6, 3609080), (8, 2706810), (10, 2165448), (12, 1804540), (15, 1443632), (16, 1353405), (20, 1082724), (24, 902270), (30, 721816), (40, 541362), (48, 451135), (60, 360908), (80, 270681), (120, 180454), (240, 90227)]