Sanllehi, Barcelona's director of football, says the Spanish champion "would not even consider" paying such a high fee.
However, he concedes that "Chelsea got stronger and Liverpool got weaker" by making the deal.
Sanllehi spoke on the sidelines of a meeting of Europe's top clubs, who discussed new UEFA rules to curb transfer spending.
Barcelona spent just $4 million during January's trading window, on PSV Eindhoven midfielder Ibrahim Afellay.
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