Integers m such that the number of divisors whose last digit equals the last digit of m sets a new record.

A342833

Integers m such that the number of divisors whose last digit equals the last digit of m sets a new record.

Terms

    a(0) =1a(1) =11a(2) =40a(3) =60a(4) =120a(5) =240a(6) =360a(7) =480a(8) =600a(9) =1200a(10) =1800a(11) =2400a(12) =3600a(13) =7200a(14) =8400a(15) =12600a(16) =16800a(17) =25200a(18) =50400a(19) =75600a(20) =100800a(21) =151200a(22) =201600a(23) =252000a(24) =277200a(25) =453600a(26) =504000a(27) =554400a(28) =831600a(29) =1108800

External references