Quais são os divisores de 30?

a) {1, 2, 3, 5, 6, 10, 15, 30}

b) {2, 4, 6, 8, 10, 12, 14, 16}

c) {1, 3, 5, 7, 9, 11, 13, 15}

d) {1, 2, 3, 4, 6, 12, 16, 30}