25781220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47743}}^1$

素因数の和:47761

約数の個数: 48

約数和(自身を含む): 80209920

約数和(自身を除く): 54428700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 47743, 95486, 143229, 190972, 238715, 286458, 429687, 477430, 572916, 716145, 859374, 954860, 1289061, 1432290, 1718748, 2148435, 2578122, 2864580, 4296870, 5156244, 6445305, 8593740, 12890610, 25781220]

約数ペア:

[(1, 25781220), (2, 12890610), (3, 8593740), (4, 6445305), (5, 5156244), (6, 4296870), (9, 2864580), (10, 2578122), (12, 2148435), (15, 1718748), (18, 1432290), (20, 1289061), (27, 954860), (30, 859374), (36, 716145), (45, 572916), (54, 477430), (60, 429687), (90, 286458), (108, 238715), (135, 190972), (180, 143229), (270, 95486), (540, 47743)]