15136720

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 35354880

約数和(自身を除く): 20218160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 439, 862, 878, 1724, 1756, 2155, 2195, 3448, 3512, 4310, 4390, 6896, 7024, 8620, 8780, 17240, 17560, 34480, 35120, 189209, 378418, 756836, 946045, 1513672, 1892090, 3027344, 3784180, 7568360, 15136720]

約数ペア:

[(1, 15136720), (2, 7568360), (4, 3784180), (5, 3027344), (8, 1892090), (10, 1513672), (16, 946045), (20, 756836), (40, 378418), (80, 189209), (431, 35120), (439, 34480), (862, 17560), (878, 17240), (1724, 8780), (1756, 8620), (2155, 7024), (2195, 6896), (3448, 4390), (3512, 4310)]