31080280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10091}}^1$

素因数の和:10120

約数の個数: 64

約数和(自身を含む): 87194880

約数和(自身を除く): 56114600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10091, 20182, 40364, 50455, 70637, 80728, 100910, 111001, 141274, 201820, 222002, 282548, 353185, 403640, 444004, 555005, 565096, 706370, 777007, 888008, 1110010, 1412740, 1554014, 2220020, 2825480, 3108028, 3885035, 4440040, 6216056, 7770070, 15540140, 31080280]

約数ペア:

[(1, 31080280), (2, 15540140), (4, 7770070), (5, 6216056), (7, 4440040), (8, 3885035), (10, 3108028), (11, 2825480), (14, 2220020), (20, 1554014), (22, 1412740), (28, 1110010), (35, 888008), (40, 777007), (44, 706370), (55, 565096), (56, 555005), (70, 444004), (77, 403640), (88, 353185), (110, 282548), (140, 222002), (154, 201820), (220, 141274), (280, 111001), (308, 100910), (385, 80728), (440, 70637), (616, 50455), (770, 40364), (1540, 20182), (3080, 10091)]