72968800

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 179426016

約数和(自身を除く): 106457216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 463, 788, 800, 926, 985, 1576, 1852, 1970, 2315, 3152, 3704, 3940, 4630, 4925, 6304, 7408, 7880, 9260, 9850, 11575, 14816, 15760, 18520, 19700, 23150, 31520, 37040, 39400, 46300, 74080, 78800, 91211, 92600, 157600, 182422, 185200, 364844, 370400, 456055, 729688, 912110, 1459376, 1824220, 2280275, 2918752, 3648440, 4560550, 7296880, 9121100, 14593760, 18242200, 36484400, 72968800]

約数ペア:

[(1, 72968800), (2, 36484400), (4, 18242200), (5, 14593760), (8, 9121100), (10, 7296880), (16, 4560550), (20, 3648440), (25, 2918752), (32, 2280275), (40, 1824220), (50, 1459376), (80, 912110), (100, 729688), (160, 456055), (197, 370400), (200, 364844), (394, 185200), (400, 182422), (463, 157600), (788, 92600), (800, 91211), (926, 78800), (985, 74080), (1576, 46300), (1852, 39400), (1970, 37040), (2315, 31520), (3152, 23150), (3704, 19700), (3940, 18520), (4630, 15760), (4925, 14816), (6304, 11575), (7408, 9850), (7880, 9260)]