Answer
Multiples of 4080 are:
4080, 8160, 12240, 16320, 20400, 24480, 28560, 32640, 36720, 40800, 44880, 48960, 53040, 57120, 61200, 65280, 69360, 73440, 77520, 81600, 85680, 89760, 93840, 97920, 102000, 106080, 110160, 114240, 118320, 122400, 126480, 130560, 134640, 138720, 142800, 146880, 150960, 155040, 159120, 163200, 167280, 171360, 175440, 179520, 183600, 187680, 191760, 195840, 199920
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