56129940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 171225600

約数和(自身を除く): 115095660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1567, 1791, 1990, 2388, 2985, 3134, 3582, 3980, 4701, 5970, 6268, 7164, 7835, 8955, 9402, 11940, 14103, 15670, 17910, 18804, 23505, 28206, 31340, 35820, 47010, 56412, 70515, 94020, 141030, 282060, 311833, 623666, 935499, 1247332, 1559165, 1870998, 2806497, 3118330, 3741996, 4677495, 5612994, 6236660, 9354990, 11225988, 14032485, 18709980, 28064970, 56129940]

約数ペア:

[(1, 56129940), (2, 28064970), (3, 18709980), (4, 14032485), (5, 11225988), (6, 9354990), (9, 6236660), (10, 5612994), (12, 4677495), (15, 3741996), (18, 3118330), (20, 2806497), (30, 1870998), (36, 1559165), (45, 1247332), (60, 935499), (90, 623666), (180, 311833), (199, 282060), (398, 141030), (597, 94020), (796, 70515), (995, 56412), (1194, 47010), (1567, 35820), (1791, 31340), (1990, 28206), (2388, 23505), (2985, 18804), (3134, 17910), (3582, 15670), (3980, 14103), (4701, 11940), (5970, 9402), (6268, 8955), (7164, 7835)]