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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [정수 문제] ez 한 정수 문제
조곰팅
2020.06.06 23:23
조회 743
n은 소수 15개의 곱으로 이루어진 수이다 (소수들이 모두 다를 필요는 없다)
σ(n) 을 n의 약수들의 합이라 정의할때
σ(n)/n 이 최대가 되도록 하는 n의 값을 n1, n2, ... , nk 라 하자
gcd(n1,n2, ... , nk) 의 약수의 개수를 구하여라
풀이도 조금 자세히 적어주시면 감사하겠습니다
그리고 조건을 만족하는 n이 1개일지도 모릅니다... ㅎ
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은총알
Lv.11
2020.06.07 01:55
곰팅님 오랜만입니다! 이제 함풀문에서는 문제 제목 앞에 문제에 알맞는 태그를 달아주세요!
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지금 바로
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