15579340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 37622592

約数和(自身を除く): 22043252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 433, 514, 866, 1028, 1285, 1732, 1799, 2165, 2570, 3031, 3598, 4330, 5140, 6062, 7196, 8660, 8995, 12124, 15155, 17990, 30310, 35980, 60620, 111281, 222562, 445124, 556405, 778967, 1112810, 1557934, 2225620, 3115868, 3894835, 7789670, 15579340]

約数ペア:

[(1, 15579340), (2, 7789670), (4, 3894835), (5, 3115868), (7, 2225620), (10, 1557934), (14, 1112810), (20, 778967), (28, 556405), (35, 445124), (70, 222562), (140, 111281), (257, 60620), (433, 35980), (514, 30310), (866, 17990), (1028, 15155), (1285, 12124), (1732, 8995), (1799, 8660), (2165, 7196), (2570, 6062), (3031, 5140), (3598, 4330)]