import std.conv, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } real readReal() { return readToken.to!real; } void chmin(T)(ref T t, in T f) { if (t > f) t = f; } void chmax(T)(ref T t, in T f) { if (t < f) t = f; } int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; } int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); } int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); } int N; long X; void main() { try { for (; ; ) { N = readInt(); X = readLong() + 1; long[] divs; for (long d = 1; d * d <= X; ++d) { if (X % d == 0) { divs ~= d; if (d != X / d) { divs ~= X / d; } } } divs.sort; const divsLen = cast(int)(divs.length); auto ks = new int[][divsLen]; auto quot = new int[][](divsLen, divsLen); foreach (j; 0 .. divsLen) { foreach (k; 0 .. divsLen) { if (divs[k] % divs[j] == 0) { ks[j] ~= k; quot[j][k] = divs.lowerBound(divs[k] / divs[j]); } } } debug { writeln("divs = ", divs); writeln("ks = ", ks); writeln("quot = ", quot); } auto dp = new long[][](N + 1, divs.length); dp[0][0] = 1; foreach (j; 1 .. divsLen) { foreach (i; 0 .. N) { foreach (k; ks[j]) { dp[i + 1][k] += dp[i][quot[j][k]]; } } debug { writeln(dp); } } writeln(dp[N][divsLen - 1]); } } catch (EOFException e) { } }