30124880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19819}}^1$

素因数の和:19851

約数の個数: 40

約数和(自身を含む): 73730400

約数和(自身を除く): 43605520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19819, 39638, 79276, 99095, 158552, 198190, 317104, 376561, 396380, 753122, 792760, 1506244, 1585520, 1882805, 3012488, 3765610, 6024976, 7531220, 15062440, 30124880]

約数ペア:

[(1, 30124880), (2, 15062440), (4, 7531220), (5, 6024976), (8, 3765610), (10, 3012488), (16, 1882805), (19, 1585520), (20, 1506244), (38, 792760), (40, 753122), (76, 396380), (80, 376561), (95, 317104), (152, 198190), (190, 158552), (304, 99095), (380, 79276), (760, 39638), (1520, 19819)]