31048740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{953}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 94800888

約数和(自身を除く): 63752148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 953, 1086, 1629, 1810, 1906, 2172, 2715, 2859, 3258, 3620, 3812, 4765, 5430, 5718, 6516, 8145, 8577, 9530, 10860, 11436, 14295, 16290, 17154, 19060, 28590, 32580, 34308, 42885, 57180, 85770, 171540, 172493, 344986, 517479, 689972, 862465, 1034958, 1552437, 1724930, 2069916, 2587395, 3104874, 3449860, 5174790, 6209748, 7762185, 10349580, 15524370, 31048740]

約数ペア:

[(1, 31048740), (2, 15524370), (3, 10349580), (4, 7762185), (5, 6209748), (6, 5174790), (9, 3449860), (10, 3104874), (12, 2587395), (15, 2069916), (18, 1724930), (20, 1552437), (30, 1034958), (36, 862465), (45, 689972), (60, 517479), (90, 344986), (180, 172493), (181, 171540), (362, 85770), (543, 57180), (724, 42885), (905, 34308), (953, 32580), (1086, 28590), (1629, 19060), (1810, 17154), (1906, 16290), (2172, 14295), (2715, 11436), (2859, 10860), (3258, 9530), (3620, 8577), (3812, 8145), (4765, 6516), (5430, 5718)]