320504240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{572329}}^1$

素因数の和:572349

約数の個数: 40

約数和(自身を含む): 851627040

約数和(自身を除く): 531122800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 572329, 1144658, 2289316, 2861645, 4006303, 4578632, 5723290, 8012606, 9157264, 11446580, 16025212, 20031515, 22893160, 32050424, 40063030, 45786320, 64100848, 80126060, 160252120, 320504240]

約数ペア:

[(1, 320504240), (2, 160252120), (4, 80126060), (5, 64100848), (7, 45786320), (8, 40063030), (10, 32050424), (14, 22893160), (16, 20031515), (20, 16025212), (28, 11446580), (35, 9157264), (40, 8012606), (56, 5723290), (70, 4578632), (80, 4006303), (112, 2861645), (140, 2289316), (280, 1144658), (560, 572329)]