209079120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{871163}}^1$

素因数の和:871179

約数の個数: 40

約数和(自身を含む): 648146016

約数和(自身を除く): 439066896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 871163, 1742326, 2613489, 3484652, 4355815, 5226978, 6969304, 8711630, 10453956, 13067445, 13938608, 17423260, 20907912, 26134890, 34846520, 41815824, 52269780, 69693040, 104539560, 209079120]

約数ペア:

[(1, 209079120), (2, 104539560), (3, 69693040), (4, 52269780), (5, 41815824), (6, 34846520), (8, 26134890), (10, 20907912), (12, 17423260), (15, 13938608), (16, 13067445), (20, 10453956), (24, 8711630), (30, 6969304), (40, 5226978), (48, 4355815), (60, 3484652), (80, 2613489), (120, 1742326), (240, 871163)]