68737480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1933}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 178237440

約数和(自身を除く): 109499960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 1933, 2540, 3556, 3866, 4445, 5080, 7112, 7732, 8890, 9665, 13531, 15464, 17780, 19330, 27062, 35560, 38660, 54124, 67655, 77320, 108248, 135310, 245491, 270620, 490982, 541240, 981964, 1227455, 1718437, 1963928, 2454910, 3436874, 4909820, 6873748, 8592185, 9819640, 13747496, 17184370, 34368740, 68737480]

約数ペア:

[(1, 68737480), (2, 34368740), (4, 17184370), (5, 13747496), (7, 9819640), (8, 8592185), (10, 6873748), (14, 4909820), (20, 3436874), (28, 2454910), (35, 1963928), (40, 1718437), (56, 1227455), (70, 981964), (127, 541240), (140, 490982), (254, 270620), (280, 245491), (508, 135310), (635, 108248), (889, 77320), (1016, 67655), (1270, 54124), (1778, 38660), (1933, 35560), (2540, 27062), (3556, 19330), (3866, 17780), (4445, 15464), (5080, 13531), (7112, 9665), (7732, 8890)]