640665504

素因数分解:

$2^5\times 3^3\times {\mathrm{157}}^1\times {\mathrm{4723}}^1$

素因数の和:4899

約数の個数: 96

約数和(自身を含む): 1880907840

約数和(自身を除く): 1240242336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 157, 216, 288, 314, 432, 471, 628, 864, 942, 1256, 1413, 1884, 2512, 2826, 3768, 4239, 4723, 5024, 5652, 7536, 8478, 9446, 11304, 14169, 15072, 16956, 18892, 22608, 28338, 33912, 37784, 42507, 45216, 56676, 67824, 75568, 85014, 113352, 127521, 135648, 151136, 170028, 226704, 255042, 340056, 453408, 510084, 680112, 741511, 1020168, 1360224, 1483022, 2040336, 2224533, 2966044, 4080672, 4449066, 5932088, 6673599, 8898132, 11864176, 13347198, 17796264, 20020797, 23728352, 26694396, 35592528, 40041594, 53388792, 71185056, 80083188, 106777584, 160166376, 213555168, 320332752, 640665504]

約数ペア:

[(1, 640665504), (2, 320332752), (3, 213555168), (4, 160166376), (6, 106777584), (8, 80083188), (9, 71185056), (12, 53388792), (16, 40041594), (18, 35592528), (24, 26694396), (27, 23728352), (32, 20020797), (36, 17796264), (48, 13347198), (54, 11864176), (72, 8898132), (96, 6673599), (108, 5932088), (144, 4449066), (157, 4080672), (216, 2966044), (288, 2224533), (314, 2040336), (432, 1483022), (471, 1360224), (628, 1020168), (864, 741511), (942, 680112), (1256, 510084), (1413, 453408), (1884, 340056), (2512, 255042), (2826, 226704), (3768, 170028), (4239, 151136), (4723, 135648), (5024, 127521), (5652, 113352), (7536, 85014), (8478, 75568), (9446, 67824), (11304, 56676), (14169, 45216), (15072, 42507), (16956, 37784), (18892, 33912), (22608, 28338)]