81842220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454679}}^1$

素因数の和:454694

約数の個数: 36

約数和(自身を含む): 248255280

約数和(自身を除く): 166413060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454679, 909358, 1364037, 1818716, 2273395, 2728074, 4092111, 4546790, 5456148, 6820185, 8184222, 9093580, 13640370, 16368444, 20460555, 27280740, 40921110, 81842220]

約数ペア:

[(1, 81842220), (2, 40921110), (3, 27280740), (4, 20460555), (5, 16368444), (6, 13640370), (9, 9093580), (10, 8184222), (12, 6820185), (15, 5456148), (18, 4546790), (20, 4092111), (30, 2728074), (36, 2273395), (45, 1818716), (60, 1364037), (90, 909358), (180, 454679)]