42685720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13859}}^1$

素因数の和:13888

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 77064680

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, 1540, 3080, 13859, 27718, 55436, 69295, 97013, 110872, 138590, 152449, 194026, 277180, 304898, 388052, 485065, 554360, 609796, 762245, 776104, 970130, 1067143, 1219592, 1524490, 1940260, 2134286, 3048980, 3880520, 4268572, 5335715, 6097960, 8537144, 10671430, 21342860, 42685720]

約数ペア:

[(1, 42685720), (2, 21342860), (4, 10671430), (5, 8537144), (7, 6097960), (8, 5335715), (10, 4268572), (11, 3880520), (14, 3048980), (20, 2134286), (22, 1940260), (28, 1524490), (35, 1219592), (40, 1067143), (44, 970130), (55, 776104), (56, 762245), (70, 609796), (77, 554360), (88, 485065), (110, 388052), (140, 304898), (154, 277180), (220, 194026), (280, 152449), (308, 138590), (385, 110872), (440, 97013), (616, 69295), (770, 55436), (1540, 27718), (3080, 13859)]