2489760

Appears in sequences

• Numbers that can be written as (a^2-1)(b^2-1) in three or more distinct ways.at n=17A134856
• Least common multiple of all n - d, where d < n and d is a divisor of n.at n=39A258324
• a(n) = denominator of Sum_{1 <= i < j <= d(n)} 1/(d_j - d_i), sum over ordered pairs of divisors of n, where d(n) is the number of divisors of n.at n=39A330078
• Positions of records in A227872, i.e., integers whose number of odious divisors sets a new record.at n=37A355969