6054048000

Appears in sequences

• a(1) = 1, a(n) = a(n-1) times smallest divisor of n >= n^(1/2).at n=15A072489
• a(n) = n!*2^(n-1)/Product_{k=1..n} tau(k) where tau = A000005.at n=14A074740
• Magic products of 7 X 7 multiplicative magic squares.at n=23A113027