1214072720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2167987}}^1$

素因数の和:2168007

約数の個数: 40

約数和(自身を含む): 3225966144

約数和(自身を除く): 2011893424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2167987, 4335974, 8671948, 10839935, 15175909, 17343896, 21679870, 30351818, 34687792, 43359740, 60703636, 75879545, 86719480, 121407272, 151759090, 173438960, 242814544, 303518180, 607036360, 1214072720]

約数ペア:

[(1, 1214072720), (2, 607036360), (4, 303518180), (5, 242814544), (7, 173438960), (8, 151759090), (10, 121407272), (14, 86719480), (16, 75879545), (20, 60703636), (28, 43359740), (35, 34687792), (40, 30351818), (56, 21679870), (70, 17343896), (80, 15175909), (112, 10839935), (140, 8671948), (280, 4335974), (560, 2167987)]