Strongly refactorable numbers: numbers n such that if n is divisible by d, it is divisible by the number of divisors of d.

A141586

Strongly refactorable numbers: numbers n such that if n is divisible by d, it is divisible by the number of divisors of d.

Terms

    a(0) =1a(1) =2a(2) =12a(3) =24a(4) =36a(5) =72a(6) =240a(7) =480a(8) =720a(9) =1440a(10) =3360a(11) =4320a(12) =5280a(13) =6240a(14) =6720a(15) =8160a(16) =9120a(17) =10080a(18) =11040a(19) =13440a(20) =13920a(21) =14880a(22) =15840a(23) =17760a(24) =18720a(25) =19680a(26) =20160a(27) =20640a(28) =21600a(29) =22560

External references