68065480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243091}}^1$

素因数の和:243109

約数の個数: 32

約数和(自身を含む): 175026240

約数和(自身を除く): 106960760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243091, 486182, 972364, 1215455, 1701637, 1944728, 2430910, 3403274, 4861820, 6806548, 8508185, 9723640, 13613096, 17016370, 34032740, 68065480]

約数ペア:

[(1, 68065480), (2, 34032740), (4, 17016370), (5, 13613096), (7, 9723640), (8, 8508185), (10, 6806548), (14, 4861820), (20, 3403274), (28, 2430910), (35, 1944728), (40, 1701637), (56, 1215455), (70, 972364), (140, 486182), (280, 243091)]