DouKaku?

using System;
using System.Text;
using System.Linq;

class Program {
    class FBMatch {
        public int n;
        public string s;
    };
    static void Main(string[] args) {
        FizzBuzz(101, 120, new FBMatch{n=3, s="Pizz"},
            new FBMatch{n=5, s="Quzz"}, new FBMatch{n=7, s="Razz"});
        FizzBuzz(1, 20, new FBMatch{n=3, s="Fizz"}, new FBMatch{n=5, s="Buzz"});
    }
    static void FizzBuzz(int from, int to, params FBMatch[] table) {
        var format = "{0," + to.ToString().Length + "}:{1}";

        for (var i = from; i <= to; i++) {
            var x = from y in table where i % y.n == 0 select y.s;

            Console.WriteLine(format, i, x.DefaultIfEmpty("hoge")
                .Aggregate(new StringBuilder(), (sb, s) => sb.Append(s)));
        }
    }
}