81595980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{453311}}^1$

素因数の和:453326

約数の個数: 36

約数和(自身を含む): 247508352

約数和(自身を除く): 165912372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 453311, 906622, 1359933, 1813244, 2266555, 2719866, 4079799, 4533110, 5439732, 6799665, 8159598, 9066220, 13599330, 16319196, 20398995, 27198660, 40797990, 81595980]

約数ペア:

[(1, 81595980), (2, 40797990), (3, 27198660), (4, 20398995), (5, 16319196), (6, 13599330), (9, 9066220), (10, 8159598), (12, 6799665), (15, 5439732), (18, 4533110), (20, 4079799), (30, 2719866), (36, 2266555), (45, 1813244), (60, 1359933), (90, 906622), (180, 453311)]