15915720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{132631}}^1$

素因数の和:132645

約数の個数: 32

約数和(自身を含む): 47747520

約数和(自身を除く): 31831800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 132631, 265262, 397893, 530524, 663155, 795786, 1061048, 1326310, 1591572, 1989465, 2652620, 3183144, 3978930, 5305240, 7957860, 15915720]

約数ペア:

[(1, 15915720), (2, 7957860), (3, 5305240), (4, 3978930), (5, 3183144), (6, 2652620), (8, 1989465), (10, 1591572), (12, 1326310), (15, 1061048), (20, 795786), (24, 663155), (30, 530524), (40, 397893), (60, 265262), (120, 132631)]