64766380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1759}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 156119040

約数和(自身を除く): 91352660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1759, 1841, 2630, 3518, 3682, 5260, 7036, 7364, 8795, 9205, 12313, 17590, 18410, 24626, 35180, 36820, 49252, 61565, 123130, 246260, 462617, 925234, 1850468, 2313085, 3238319, 4626170, 6476638, 9252340, 12953276, 16191595, 32383190, 64766380]

約数ペア:

[(1, 64766380), (2, 32383190), (4, 16191595), (5, 12953276), (7, 9252340), (10, 6476638), (14, 4626170), (20, 3238319), (28, 2313085), (35, 1850468), (70, 925234), (140, 462617), (263, 246260), (526, 123130), (1052, 61565), (1315, 49252), (1759, 36820), (1841, 35180), (2630, 24626), (3518, 18410), (3682, 17590), (5260, 12313), (7036, 9205), (7364, 8795)]