1. A score calculating program which causes a computer to perform: a step of extracting factors contained in requested data for which score calculation is requested, a step of specifying a plurality of cases corresponding to combinations of the factors and obtaining the number of samples corresponding to each case from a storage device, a step of calculating a fraud score from the number of samples for each case, and a step of specifying a result of score calculation using at least one of the scores calculated for each case.