a(n) = Product_{k=1..d(n)-1} lcm(b(k), b(k+1)), where b(k) is the k-th positive divisor of n and d(n) = the number of positive divisors of n.
A136182
a(n) = Product_{k=1..d(n)-1} lcm(b(k), b(k+1)), where b(k) is the k-th positive divisor of n and d(n) = the number of positive divisors of n.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =8a(4) =5a(5) =72a(6) =7a(7) =64a(8) =27a(9) =200a(10) =11a(11) =20736a(12) =13a(13) =392a(14) =675a(15) =1024a(16) =17a(17) =23328a(18) =19a(19) =32000a(20) =1323a(21) =968a(22) =23a(23) =23887872a(24) =125a(25) =1352a(26) =729a(27) =87808a(28) =29a(29) =145800000
External references
- oeis: A136182