In reply to Big Ger:
Probably the album in the most multiple formats is 1981's Faith by The Cure.
I have six copies on vinyl, Australian (gatefold), Norwegian (gatefold), Spanish, two first press UK issues, and a more recent Record Store Day reissue (comes with download code).
Also on CD Deluxe edition and several original cassette issues (comes with an additional piece of music not available on the other formats)
There are still plenty of other vinyl pressings still to find including NZ, Japanese, Irish (mega rare) and a test pressing (rarer still).