71308720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18191}}^1$

素因数の和:18218

約数の個数: 60

約数和(自身を含む): 192871584

約数和(自身を除く): 121562864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18191, 36382, 72764, 90955, 127337, 145528, 181910, 254674, 291056, 363820, 509348, 636685, 727640, 891359, 1018696, 1273370, 1455280, 1782718, 2037392, 2546740, 3565436, 4456795, 5093480, 7130872, 8913590, 10186960, 14261744, 17827180, 35654360, 71308720]

約数ペア:

[(1, 71308720), (2, 35654360), (4, 17827180), (5, 14261744), (7, 10186960), (8, 8913590), (10, 7130872), (14, 5093480), (16, 4456795), (20, 3565436), (28, 2546740), (35, 2037392), (40, 1782718), (49, 1455280), (56, 1273370), (70, 1018696), (80, 891359), (98, 727640), (112, 636685), (140, 509348), (196, 363820), (245, 291056), (280, 254674), (392, 181910), (490, 145528), (560, 127337), (784, 90955), (980, 72764), (1960, 36382), (3920, 18191)]