205656660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103867}}^1$

素因数の和:103893

約数の個数: 72

約数和(自身を含む): 680543136

約数和(自身を除く): 474886476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 103867, 207734, 311601, 415468, 519335, 623202, 934803, 1038670, 1142537, 1246404, 1558005, 1869606, 2077340, 2285074, 3116010, 3427611, 3739212, 4570148, 4674015, 5712685, 6232020, 6855222, 9348030, 10282833, 11425370, 13710444, 17138055, 18696060, 20565666, 22850740, 34276110, 41131332, 51414165, 68552220, 102828330, 205656660]

約数ペア:

[(1, 205656660), (2, 102828330), (3, 68552220), (4, 51414165), (5, 41131332), (6, 34276110), (9, 22850740), (10, 20565666), (11, 18696060), (12, 17138055), (15, 13710444), (18, 11425370), (20, 10282833), (22, 9348030), (30, 6855222), (33, 6232020), (36, 5712685), (44, 4674015), (45, 4570148), (55, 3739212), (60, 3427611), (66, 3116010), (90, 2285074), (99, 2077340), (110, 1869606), (132, 1558005), (165, 1246404), (180, 1142537), (198, 1038670), (220, 934803), (330, 623202), (396, 519335), (495, 415468), (660, 311601), (990, 207734), (1980, 103867)]