Thanks to the guys at xbox360achievements.org we can see the achievement/trophy list for console version of the latest entry in the Diablo franchise. The trophy list for Diablo 3 has more than 40 achievements:

Diablo III Achievements Xbox360Achievements.org  600x2788 Leak: 'Diablo III' Achievements | VGLeaks 2.0

Diablo III will be released for Playstation 3 and Xbox 360 on September 3, 2013.