1520741180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{85531}}^1$

素因数の和:85674

約数の個数: 48

約数和(自身を含む): 3678560256

約数和(自身を除く): 2157819076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 17780, 85531, 171062, 342124, 427655, 598717, 855310, 1197434, 1710620, 2394868, 2993585, 5987170, 10862437, 11974340, 21724874, 43449748, 54312185, 76037059, 108624370, 152074118, 217248740, 304148236, 380185295, 760370590, 1520741180]

約数ペア:

[(1, 1520741180), (2, 760370590), (4, 380185295), (5, 304148236), (7, 217248740), (10, 152074118), (14, 108624370), (20, 76037059), (28, 54312185), (35, 43449748), (70, 21724874), (127, 11974340), (140, 10862437), (254, 5987170), (508, 2993585), (635, 2394868), (889, 1710620), (1270, 1197434), (1778, 855310), (2540, 598717), (3556, 427655), (4445, 342124), (8890, 171062), (17780, 85531)]