161651560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577327}}^1$

素因数の和:577345

約数の個数: 32

約数和(自身を含む): 415676160

約数和(自身を除く): 254024600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577327, 1154654, 2309308, 2886635, 4041289, 4618616, 5773270, 8082578, 11546540, 16165156, 20206445, 23093080, 32330312, 40412890, 80825780, 161651560]

約数ペア:

[(1, 161651560), (2, 80825780), (4, 40412890), (5, 32330312), (7, 23093080), (8, 20206445), (10, 16165156), (14, 11546540), (20, 8082578), (28, 5773270), (35, 4618616), (40, 4041289), (56, 2886635), (70, 2309308), (140, 1154654), (280, 577327)]