72388760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 165661200

約数和(自身を除く): 93272440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 359, 568, 710, 718, 1420, 1436, 1795, 2840, 2872, 3590, 5041, 7180, 10082, 14360, 20164, 25205, 25489, 40328, 50410, 50978, 100820, 101956, 127445, 201640, 203912, 254890, 509780, 1019560, 1809719, 3619438, 7238876, 9048595, 14477752, 18097190, 36194380, 72388760]

約数ペア:

[(1, 72388760), (2, 36194380), (4, 18097190), (5, 14477752), (8, 9048595), (10, 7238876), (20, 3619438), (40, 1809719), (71, 1019560), (142, 509780), (284, 254890), (355, 203912), (359, 201640), (568, 127445), (710, 101956), (718, 100820), (1420, 50978), (1436, 50410), (1795, 40328), (2840, 25489), (2872, 25205), (3590, 20164), (5041, 14360), (7180, 10082)]