161709520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{288767}}^1$

素因数の和:288787

約数の個数: 40

約数和(自身を含む): 429686784

約数和(自身を除く): 267977264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 288767, 577534, 1155068, 1443835, 2021369, 2310136, 2887670, 4042738, 4620272, 5775340, 8085476, 10106845, 11550680, 16170952, 20213690, 23101360, 32341904, 40427380, 80854760, 161709520]

約数ペア:

[(1, 161709520), (2, 80854760), (4, 40427380), (5, 32341904), (7, 23101360), (8, 20213690), (10, 16170952), (14, 11550680), (16, 10106845), (20, 8085476), (28, 5775340), (35, 4620272), (40, 4042738), (56, 2887670), (70, 2310136), (80, 2021369), (112, 1443835), (140, 1155068), (280, 577534), (560, 288767)]