Datrys 40*[(15+20)*5+15*20)+5*28*360]

$$40 \times [ ( 15 + 20 ) \times 5 + 15 \times 20 ) + 5 \times 28 \times 360 ]$$

Enrhifo

$$69400$$

Camau Ateb

Adio 15 a 20 i gael 35.

$$40\left(35\times 5+15\times 20\right)+5\times 28\times 360$$

Lluosi 35 a 5 i gael 175.

$$40\left(175+15\times 20\right)+5\times 28\times 360$$

Lluosi 15 a 20 i gael 300.

$$40\left(175+300\right)+5\times 28\times 360$$

Adio 175 a 300 i gael 475.

$$40\times 475+5\times 28\times 360$$

Lluosi 40 a 475 i gael 19000.

$$19000+5\times 28\times 360$$

Lluosi 5 a 28 i gael 140.

$$19000+140\times 360$$

Lluosi 140 a 360 i gael 50400.

$$19000+50400$$

Adio 19000 a 50400 i gael 69400.

$$69400$$

Ffactor

$$2^{3}\times 5^{2}\times 347$$