28765980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159811}}^1$

素因数の和:159826

約数の個数: 36

約数和(自身を含む): 87257352

約数和(自身を除く): 58491372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159811, 319622, 479433, 639244, 799055, 958866, 1438299, 1598110, 1917732, 2397165, 2876598, 3196220, 4794330, 5753196, 7191495, 9588660, 14382990, 28765980]

約数ペア:

[(1, 28765980), (2, 14382990), (3, 9588660), (4, 7191495), (5, 5753196), (6, 4794330), (9, 3196220), (10, 2876598), (12, 2397165), (15, 1917732), (18, 1598110), (20, 1438299), (30, 958866), (36, 799055), (45, 639244), (60, 479433), (90, 319622), (180, 159811)]