2645720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 7430400

約数和(自身を除く): 4784680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 859, 1540, 1718, 3080, 3436, 4295, 6013, 6872, 8590, 9449, 12026, 17180, 18898, 24052, 30065, 34360, 37796, 47245, 48104, 60130, 66143, 75592, 94490, 120260, 132286, 188980, 240520, 264572, 330715, 377960, 529144, 661430, 1322860, 2645720]

約数ペア:

[(1, 2645720), (2, 1322860), (4, 661430), (5, 529144), (7, 377960), (8, 330715), (10, 264572), (11, 240520), (14, 188980), (20, 132286), (22, 120260), (28, 94490), (35, 75592), (40, 66143), (44, 60130), (55, 48104), (56, 47245), (70, 37796), (77, 34360), (88, 30065), (110, 24052), (140, 18898), (154, 17180), (220, 12026), (280, 9449), (308, 8590), (385, 6872), (440, 6013), (616, 4295), (770, 3436), (859, 3080), (1540, 1718)]