noun
superfactorial
A mathematical function defined as the product of the first n factorials. Technical term used in combinatorics and number theory.
超階乗は、1からnまでの階乗の積として定義される。
The superfactorial is defined as the product of the factorials from 1 to n.
この問題を解くには超階乗の概念が必要だ。
To solve this problem, the concept of superfactorial is necessary.