81229320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225637}}^1$

素因数の和:225654

約数の個数: 48

約数和(自身を含む): 263996460

約数和(自身を除く): 182767140

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, 225637, 451274, 676911, 902548, 1128185, 1353822, 1805096, 2030733, 2256370, 2707644, 3384555, 4061466, 4512740, 5415288, 6769110, 8122932, 9025480, 10153665, 13538220, 16245864, 20307330, 27076440, 40614660, 81229320]

約数ペア:

[(1, 81229320), (2, 40614660), (3, 27076440), (4, 20307330), (5, 16245864), (6, 13538220), (8, 10153665), (9, 9025480), (10, 8122932), (12, 6769110), (15, 5415288), (18, 4512740), (20, 4061466), (24, 3384555), (30, 2707644), (36, 2256370), (40, 2030733), (45, 1805096), (60, 1353822), (72, 1128185), (90, 902548), (120, 676911), (180, 451274), (360, 225637)]