68529440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8741}}^1$

素因数の和:8770

約数の個数: 72

約数和(自身を含む): 188355132

約数和(自身を除く): 119825692

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8741, 17482, 34964, 43705, 61187, 69928, 87410, 122374, 139856, 174820, 244748, 279712, 305935, 349640, 428309, 489496, 611870, 699280, 856618, 978992, 1223740, 1398560, 1713236, 1957984, 2141545, 2447480, 3426472, 4283090, 4894960, 6852944, 8566180, 9789920, 13705888, 17132360, 34264720, 68529440]

約数ペア:

[(1, 68529440), (2, 34264720), (4, 17132360), (5, 13705888), (7, 9789920), (8, 8566180), (10, 6852944), (14, 4894960), (16, 4283090), (20, 3426472), (28, 2447480), (32, 2141545), (35, 1957984), (40, 1713236), (49, 1398560), (56, 1223740), (70, 978992), (80, 856618), (98, 699280), (112, 611870), (140, 489496), (160, 428309), (196, 349640), (224, 305935), (245, 279712), (280, 244748), (392, 174820), (490, 139856), (560, 122374), (784, 87410), (980, 69928), (1120, 61187), (1568, 43705), (1960, 34964), (3920, 17482), (7840, 8741)]