28785480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239879}}^1$

素因数の和:239893

約数の個数: 32

約数和(自身を含む): 86356800

約数和(自身を除く): 57571320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239879, 479758, 719637, 959516, 1199395, 1439274, 1919032, 2398790, 2878548, 3598185, 4797580, 5757096, 7196370, 9595160, 14392740, 28785480]

約数ペア:

[(1, 28785480), (2, 14392740), (3, 9595160), (4, 7196370), (5, 5757096), (6, 4797580), (8, 3598185), (10, 2878548), (12, 2398790), (15, 1919032), (20, 1439274), (24, 1199395), (30, 959516), (40, 719637), (60, 479758), (120, 239879)]