161834960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288991}}^1$

素因数の和:289011

約数の個数: 40

約数和(自身を含む): 430020096

約数和(自身を除く): 268185136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288991, 577982, 1155964, 1444955, 2022937, 2311928, 2889910, 4045874, 4623856, 5779820, 8091748, 10114685, 11559640, 16183496, 20229370, 23119280, 32366992, 40458740, 80917480, 161834960]

約数ペア:

[(1, 161834960), (2, 80917480), (4, 40458740), (5, 32366992), (7, 23119280), (8, 20229370), (10, 16183496), (14, 11559640), (16, 10114685), (20, 8091748), (28, 5779820), (35, 4623856), (40, 4045874), (56, 2889910), (70, 2311928), (80, 2022937), (112, 1444955), (140, 1155964), (280, 577982), (560, 288991)]