28185722880domain: NAppears in sequencesLeast number whose number of divisors is n-th term from A014613 (numbers of form p*q*r*s, products of exactly 4 primes, counted with multiplicity).at n=30A061218Denominator of I(n)=integral_{x=0 to 1/n}(x^2-1)^3 dx.at n=15A094075