26872440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32012

約数の個数: 64

約数和(自身を含む): 92136960

約数和(自身を除く): 65264520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 31991, 63982, 95973, 127964, 159955, 191946, 223937, 255928, 319910, 383892, 447874, 479865, 639820, 671811, 767784, 895748, 959730, 1119685, 1279640, 1343622, 1791496, 1919460, 2239370, 2687244, 3359055, 3838920, 4478740, 5374488, 6718110, 8957480, 13436220, 26872440]

約数ペア:

[(1, 26872440), (2, 13436220), (3, 8957480), (4, 6718110), (5, 5374488), (6, 4478740), (7, 3838920), (8, 3359055), (10, 2687244), (12, 2239370), (14, 1919460), (15, 1791496), (20, 1343622), (21, 1279640), (24, 1119685), (28, 959730), (30, 895748), (35, 767784), (40, 671811), (42, 639820), (56, 479865), (60, 447874), (70, 383892), (84, 319910), (105, 255928), (120, 223937), (140, 191946), (168, 159955), (210, 127964), (280, 95973), (420, 63982), (840, 31991)]