81990288

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18367}}^1$

素因数の和:18412

約数の個数: 60

約数和(自身を含む): 236873728

約数和(自身を除く): 154883440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 18367, 36734, 55101, 73468, 110202, 146936, 165303, 220404, 293872, 330606, 440808, 569377, 661212, 881616, 1138754, 1322424, 1708131, 2277508, 2644848, 3416262, 4555016, 5124393, 6832524, 9110032, 10248786, 13665048, 20497572, 27330096, 40995144, 81990288]

約数ペア:

[(1, 81990288), (2, 40995144), (3, 27330096), (4, 20497572), (6, 13665048), (8, 10248786), (9, 9110032), (12, 6832524), (16, 5124393), (18, 4555016), (24, 3416262), (31, 2644848), (36, 2277508), (48, 1708131), (62, 1322424), (72, 1138754), (93, 881616), (124, 661212), (144, 569377), (186, 440808), (248, 330606), (279, 293872), (372, 220404), (496, 165303), (558, 146936), (744, 110202), (1116, 73468), (1488, 55101), (2232, 36734), (4464, 18367)]