IMO Shortlist 2016 problem C2
Dodao/la:
arhiva3. listopada 2019. Find all positive integers 
for which all positive divisors of can be put into the cells of a rectangular table under the following constraints: each cell contains a distinct divisor; the sums of all rows are equal; and the sums of all columns are equal.
Find all positive integers $n$ for which all positive divisors of $n$ can be put into the cells of a rectangular table under the following constraints:
each cell contains a distinct divisor;
the sums of all rows are equal; and
the sums of all columns are equal.
Izvor: https://www.imo-official.org/problems/IMO2016SL.pdf
Školjka 
