There are some #1 smash hits in the US not from good-selling albums (albums which featured them haven't sold many copies)
Carly Rae Jepsen - Call Me Maybe :#1 for 9 weeks
Low - Flo Rida feat T-Pain:#1 for 10 weeks
Macarena (Bayside Boys mix) - Los del Río:#1 for 14 weeks
I Swear - All-4-One: #1 for 11 weeks