MathCastle
Number TheorySuperchallengeFactors & Multiples

Factors & Multiples · Superchallenge problem

How many ordered pairs (a,b)(a, b) of positive integers satisfy lcm⁡(a,b)−gcd⁡(a,b)=2026\operatorname{lcm}(a, b) - \gcd(a, b) = 2026?