68157040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17387}}^1$

素因数の和:17414

約数の個数: 60

約数和(自身を含む): 184347576

約数和(自身を除く): 116190536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17387, 34774, 69548, 86935, 121709, 139096, 173870, 243418, 278192, 347740, 486836, 608545, 695480, 851963, 973672, 1217090, 1390960, 1703926, 1947344, 2434180, 3407852, 4259815, 4868360, 6815704, 8519630, 9736720, 13631408, 17039260, 34078520, 68157040]

約数ペア:

[(1, 68157040), (2, 34078520), (4, 17039260), (5, 13631408), (7, 9736720), (8, 8519630), (10, 6815704), (14, 4868360), (16, 4259815), (20, 3407852), (28, 2434180), (35, 1947344), (40, 1703926), (49, 1390960), (56, 1217090), (70, 973672), (80, 851963), (98, 695480), (112, 608545), (140, 486836), (196, 347740), (245, 278192), (280, 243418), (392, 173870), (490, 139096), (560, 121709), (784, 86935), (980, 69548), (1960, 34774), (3920, 17387)]