1388696880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5786237}}^1$

素因数の和:5786253

約数の個数: 40

約数和(自身を含む): 4304961072

約数和(自身を除く): 2916264192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5786237, 11572474, 17358711, 23144948, 28931185, 34717422, 46289896, 57862370, 69434844, 86793555, 92579792, 115724740, 138869688, 173587110, 231449480, 277739376, 347174220, 462898960, 694348440, 1388696880]

約数ペア:

[(1, 1388696880), (2, 694348440), (3, 462898960), (4, 347174220), (5, 277739376), (6, 231449480), (8, 173587110), (10, 138869688), (12, 115724740), (15, 92579792), (16, 86793555), (20, 69434844), (24, 57862370), (30, 46289896), (40, 34717422), (48, 28931185), (60, 23144948), (80, 17358711), (120, 11572474), (240, 5786237)]