30287840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17209}}^1$

素因数の和:17235

約数の個数: 48

約数和(自身を含む): 78064560

約数和(自身を除く): 47776720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17209, 34418, 68836, 86045, 137672, 172090, 189299, 275344, 344180, 378598, 550688, 688360, 757196, 946495, 1376720, 1514392, 1892990, 2753440, 3028784, 3785980, 6057568, 7571960, 15143920, 30287840]

約数ペア:

[(1, 30287840), (2, 15143920), (4, 7571960), (5, 6057568), (8, 3785980), (10, 3028784), (11, 2753440), (16, 1892990), (20, 1514392), (22, 1376720), (32, 946495), (40, 757196), (44, 688360), (55, 550688), (80, 378598), (88, 344180), (110, 275344), (160, 189299), (176, 172090), (220, 137672), (352, 86045), (440, 68836), (880, 34418), (1760, 17209)]