ls | where { -not $_.PSIsContainer -and $_.Length -gt 1mb } | sort LastWriteTime
Similar (kind of) trick depicted in 1965 Russian comedy movie: https://www.youtube.com/watch?v=KDn174Mf9PY
Edit: As it seems, the rule applies to this comment too. Dear reader, if you feel uncomfortable are offended by this comment, you are the problem.
Not sufficient. Should store them for at least 36 years.