1561567216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1823}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 3430637568

約数和(自身を除く): 1869070352

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 157, 176, 248, 314, 341, 496, 628, 682, 1256, 1364, 1727, 1823, 2512, 2728, 3454, 3646, 4867, 5456, 6908, 7292, 9734, 13816, 14584, 19468, 20053, 27632, 29168, 38936, 40106, 53537, 56513, 77872, 80212, 107074, 113026, 160424, 214148, 226052, 286211, 320848, 428296, 452104, 572422, 621643, 856592, 904208, 1144844, 1243286, 2289688, 2486572, 3148321, 4579376, 4973144, 6296642, 8872541, 9946288, 12593284, 17745082, 25186568, 35490164, 50373136, 70980328, 97597951, 141960656, 195195902, 390391804, 780783608, 1561567216]

約数ペア:

[(1, 1561567216), (2, 780783608), (4, 390391804), (8, 195195902), (11, 141960656), (16, 97597951), (22, 70980328), (31, 50373136), (44, 35490164), (62, 25186568), (88, 17745082), (124, 12593284), (157, 9946288), (176, 8872541), (248, 6296642), (314, 4973144), (341, 4579376), (496, 3148321), (628, 2486572), (682, 2289688), (1256, 1243286), (1364, 1144844), (1727, 904208), (1823, 856592), (2512, 621643), (2728, 572422), (3454, 452104), (3646, 428296), (4867, 320848), (5456, 286211), (6908, 226052), (7292, 214148), (9734, 160424), (13816, 113026), (14584, 107074), (19468, 80212), (20053, 77872), (27632, 56513), (29168, 53537), (38936, 40106)]