161679560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577427}}^1$

素因数の和:577445

約数の個数: 32

約数和(自身を含む): 415748160

約数和(自身を除く): 254068600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577427, 1154854, 2309708, 2887135, 4041989, 4619416, 5774270, 8083978, 11548540, 16167956, 20209945, 23097080, 32335912, 40419890, 80839780, 161679560]

約数ペア:

[(1, 161679560), (2, 80839780), (4, 40419890), (5, 32335912), (7, 23097080), (8, 20209945), (10, 16167956), (14, 11548540), (20, 8083978), (28, 5774270), (35, 4619416), (40, 4041989), (56, 2887135), (70, 2309708), (140, 1154854), (280, 577427)]