30888180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 94377192

約数和(自身を除く): 63489012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1093, 1413, 1570, 1884, 2186, 2355, 2826, 3140, 3279, 4372, 4710, 5465, 5652, 6558, 7065, 9420, 9837, 10930, 13116, 14130, 16395, 19674, 21860, 28260, 32790, 39348, 49185, 65580, 98370, 171601, 196740, 343202, 514803, 686404, 858005, 1029606, 1544409, 1716010, 2059212, 2574015, 3088818, 3432020, 5148030, 6177636, 7722045, 10296060, 15444090, 30888180]

約数ペア:

[(1, 30888180), (2, 15444090), (3, 10296060), (4, 7722045), (5, 6177636), (6, 5148030), (9, 3432020), (10, 3088818), (12, 2574015), (15, 2059212), (18, 1716010), (20, 1544409), (30, 1029606), (36, 858005), (45, 686404), (60, 514803), (90, 343202), (157, 196740), (180, 171601), (314, 98370), (471, 65580), (628, 49185), (785, 39348), (942, 32790), (1093, 28260), (1413, 21860), (1570, 19674), (1884, 16395), (2186, 14130), (2355, 13116), (2826, 10930), (3140, 9837), (3279, 9420), (4372, 7065), (4710, 6558), (5465, 5652)]