82503180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1493}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 251242992

約数和(自身を除く): 168739812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1493, 1535, 1842, 2763, 2986, 3070, 3684, 4479, 4605, 5526, 5972, 6140, 7465, 8958, 9210, 11052, 13437, 13815, 14930, 17916, 18420, 22395, 26874, 27630, 29860, 44790, 53748, 55260, 67185, 89580, 134370, 268740, 458351, 916702, 1375053, 1833404, 2291755, 2750106, 4125159, 4583510, 5500212, 6875265, 8250318, 9167020, 13750530, 16500636, 20625795, 27501060, 41251590, 82503180]

約数ペア:

[(1, 82503180), (2, 41251590), (3, 27501060), (4, 20625795), (5, 16500636), (6, 13750530), (9, 9167020), (10, 8250318), (12, 6875265), (15, 5500212), (18, 4583510), (20, 4125159), (30, 2750106), (36, 2291755), (45, 1833404), (60, 1375053), (90, 916702), (180, 458351), (307, 268740), (614, 134370), (921, 89580), (1228, 67185), (1493, 55260), (1535, 53748), (1842, 44790), (2763, 29860), (2986, 27630), (3070, 26874), (3684, 22395), (4479, 18420), (4605, 17916), (5526, 14930), (5972, 13815), (6140, 13437), (7465, 11052), (8958, 9210)]