68413760

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:943

約数の個数: 56

約数和(自身を含む): 163616640

約数和(自身を除く): 95202880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 487, 878, 974, 1756, 1948, 2195, 2435, 3512, 3896, 4390, 4870, 7024, 7792, 8780, 9740, 14048, 15584, 17560, 19480, 28096, 31168, 35120, 38960, 70240, 77920, 140480, 155840, 213793, 427586, 855172, 1068965, 1710344, 2137930, 3420688, 4275860, 6841376, 8551720, 13682752, 17103440, 34206880, 68413760]

約数ペア:

[(1, 68413760), (2, 34206880), (4, 17103440), (5, 13682752), (8, 8551720), (10, 6841376), (16, 4275860), (20, 3420688), (32, 2137930), (40, 1710344), (64, 1068965), (80, 855172), (160, 427586), (320, 213793), (439, 155840), (487, 140480), (878, 77920), (974, 70240), (1756, 38960), (1948, 35120), (2195, 31168), (2435, 28096), (3512, 19480), (3896, 17560), (4390, 15584), (4870, 14048), (7024, 9740), (7792, 8780)]