18280140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 51475200

約数和(自身を除く): 33195060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1531, 1990, 2388, 2985, 3062, 3980, 4593, 5970, 6124, 7655, 9186, 11940, 15310, 18372, 22965, 30620, 45930, 91860, 304669, 609338, 914007, 1218676, 1523345, 1828014, 3046690, 3656028, 4570035, 6093380, 9140070, 18280140]

約数ペア:

[(1, 18280140), (2, 9140070), (3, 6093380), (4, 4570035), (5, 3656028), (6, 3046690), (10, 1828014), (12, 1523345), (15, 1218676), (20, 914007), (30, 609338), (60, 304669), (199, 91860), (398, 45930), (597, 30620), (796, 22965), (995, 18372), (1194, 15310), (1531, 11940), (1990, 9186), (2388, 7655), (2985, 6124), (3062, 5970), (3980, 4593)]