26687220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{63541}}^1$

素因数の和:63560

約数の個数: 48

約数和(自身を含む): 85400448

約数和(自身を除く): 58713228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 63541, 127082, 190623, 254164, 317705, 381246, 444787, 635410, 762492, 889574, 953115, 1270820, 1334361, 1779148, 1906230, 2223935, 2668722, 3812460, 4447870, 5337444, 6671805, 8895740, 13343610, 26687220]

約数ペア:

[(1, 26687220), (2, 13343610), (3, 8895740), (4, 6671805), (5, 5337444), (6, 4447870), (7, 3812460), (10, 2668722), (12, 2223935), (14, 1906230), (15, 1779148), (20, 1334361), (21, 1270820), (28, 953115), (30, 889574), (35, 762492), (42, 635410), (60, 444787), (70, 381246), (84, 317705), (105, 254164), (140, 190623), (210, 127082), (420, 63541)]