64715475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 119278080

約数和(自身を除く): 54562605

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1551, 1669, 2585, 3525, 5007, 7755, 8345, 12925, 18359, 25035, 38775, 41725, 55077, 78443, 91795, 125175, 235329, 275385, 392215, 458975, 862873, 1176645, 1376925, 1961075, 2588619, 4314365, 5883225, 12943095, 21571825, 64715475]

約数ペア:

[(1, 64715475), (3, 21571825), (5, 12943095), (11, 5883225), (15, 4314365), (25, 2588619), (33, 1961075), (47, 1376925), (55, 1176645), (75, 862873), (141, 458975), (165, 392215), (235, 275385), (275, 235329), (517, 125175), (705, 91795), (825, 78443), (1175, 55077), (1551, 41725), (1669, 38775), (2585, 25035), (3525, 18359), (5007, 12925), (7755, 8345)]