720193068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{66463}}^1$

素因数の和:66523

約数の個数: 72

約数和(自身を含む): 2128974848

約数和(自身を除く): 1408781780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 66463, 132926, 199389, 265852, 398778, 465241, 598167, 797556, 930482, 1196334, 1395723, 1860964, 2392668, 2791446, 2857909, 4187169, 5582892, 5715818, 8374338, 8573727, 11431636, 16748676, 17147454, 20005363, 25721181, 34294908, 40010726, 51442362, 60016089, 80021452, 102884724, 120032178, 180048267, 240064356, 360096534, 720193068]

約数ペア:

[(1, 720193068), (2, 360096534), (3, 240064356), (4, 180048267), (6, 120032178), (7, 102884724), (9, 80021452), (12, 60016089), (14, 51442362), (18, 40010726), (21, 34294908), (28, 25721181), (36, 20005363), (42, 17147454), (43, 16748676), (63, 11431636), (84, 8573727), (86, 8374338), (126, 5715818), (129, 5582892), (172, 4187169), (252, 2857909), (258, 2791446), (301, 2392668), (387, 1860964), (516, 1395723), (602, 1196334), (774, 930482), (903, 797556), (1204, 598167), (1548, 465241), (1806, 398778), (2709, 265852), (3612, 199389), (5418, 132926), (10836, 66463)]