161560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 416160

約数和(自身を除く): 254600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577, 1154, 2308, 2885, 4039, 4616, 5770, 8078, 11540, 16156, 20195, 23080, 32312, 40390, 80780, 161560]

約数ペア:

[(1, 161560), (2, 80780), (4, 40390), (5, 32312), (7, 23080), (8, 20195), (10, 16156), (14, 11540), (20, 8078), (28, 5770), (35, 4616), (40, 4039), (56, 2885), (70, 2308), (140, 1154), (280, 577)]