81821160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227281}}^1$

素因数の和:227298

約数の個数: 48

約数和(自身を含む): 265919940

約数和(自身を除く): 184098780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227281, 454562, 681843, 909124, 1136405, 1363686, 1818248, 2045529, 2272810, 2727372, 3409215, 4091058, 4545620, 5454744, 6818430, 8182116, 9091240, 10227645, 13636860, 16364232, 20455290, 27273720, 40910580, 81821160]

約数ペア:

[(1, 81821160), (2, 40910580), (3, 27273720), (4, 20455290), (5, 16364232), (6, 13636860), (8, 10227645), (9, 9091240), (10, 8182116), (12, 6818430), (15, 5454744), (18, 4545620), (20, 4091058), (24, 3409215), (30, 2727372), (36, 2272810), (40, 2045529), (45, 1818248), (60, 1363686), (72, 1136405), (90, 909124), (120, 681843), (180, 454562), (360, 227281)]