31757220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 107819712

約数和(自身を除く): 76062492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 373, 387, 396, 430, 473, 495, 516, 645, 660, 746, 774, 860, 946, 990, 1119, 1290, 1419, 1492, 1548, 1865, 1892, 1935, 1980, 2238, 2365, 2580, 2838, 3357, 3730, 3870, 4103, 4257, 4476, 4730, 5595, 5676, 6714, 7095, 7460, 7740, 8206, 8514, 9460, 11190, 12309, 13428, 14190, 16039, 16412, 16785, 17028, 20515, 21285, 22380, 24618, 28380, 32078, 33570, 36927, 41030, 42570, 48117, 49236, 61545, 64156, 67140, 73854, 80195, 82060, 85140, 96234, 123090, 144351, 147708, 160390, 176429, 184635, 192468, 240585, 246180, 288702, 320780, 352858, 369270, 481170, 529287, 577404, 705716, 721755, 738540, 882145, 962340, 1058574, 1443510, 1587861, 1764290, 2117148, 2646435, 2887020, 3175722, 3528580, 5292870, 6351444, 7939305, 10585740, 15878610, 31757220]

約数ペア:

[(1, 31757220), (2, 15878610), (3, 10585740), (4, 7939305), (5, 6351444), (6, 5292870), (9, 3528580), (10, 3175722), (11, 2887020), (12, 2646435), (15, 2117148), (18, 1764290), (20, 1587861), (22, 1443510), (30, 1058574), (33, 962340), (36, 882145), (43, 738540), (44, 721755), (45, 705716), (55, 577404), (60, 529287), (66, 481170), (86, 369270), (90, 352858), (99, 320780), (110, 288702), (129, 246180), (132, 240585), (165, 192468), (172, 184635), (180, 176429), (198, 160390), (215, 147708), (220, 144351), (258, 123090), (330, 96234), (373, 85140), (387, 82060), (396, 80195), (430, 73854), (473, 67140), (495, 64156), (516, 61545), (645, 49236), (660, 48117), (746, 42570), (774, 41030), (860, 36927), (946, 33570), (990, 32078), (1119, 28380), (1290, 24618), (1419, 22380), (1492, 21285), (1548, 20515), (1865, 17028), (1892, 16785), (1935, 16412), (1980, 16039), (2238, 14190), (2365, 13428), (2580, 12309), (2838, 11190), (3357, 9460), (3730, 8514), (3870, 8206), (4103, 7740), (4257, 7460), (4476, 7095), (4730, 6714), (5595, 5676)]