266512240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 655672320

約数和(自身を除く): 389160080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 271, 304, 380, 542, 647, 760, 1084, 1294, 1355, 1520, 2168, 2588, 2710, 3235, 4336, 5149, 5176, 5420, 6470, 10298, 10352, 10840, 12293, 12940, 20596, 21680, 24586, 25745, 25880, 41192, 49172, 51490, 51760, 61465, 82384, 98344, 102980, 122930, 175337, 196688, 205960, 245860, 350674, 411920, 491720, 701348, 876685, 983440, 1402696, 1753370, 2805392, 3331403, 3506740, 6662806, 7013480, 13325612, 14026960, 16657015, 26651224, 33314030, 53302448, 66628060, 133256120, 266512240]

約数ペア:

[(1, 266512240), (2, 133256120), (4, 66628060), (5, 53302448), (8, 33314030), (10, 26651224), (16, 16657015), (19, 14026960), (20, 13325612), (38, 7013480), (40, 6662806), (76, 3506740), (80, 3331403), (95, 2805392), (152, 1753370), (190, 1402696), (271, 983440), (304, 876685), (380, 701348), (542, 491720), (647, 411920), (760, 350674), (1084, 245860), (1294, 205960), (1355, 196688), (1520, 175337), (2168, 122930), (2588, 102980), (2710, 98344), (3235, 82384), (4336, 61465), (5149, 51760), (5176, 51490), (5420, 49172), (6470, 41192), (10298, 25880), (10352, 25745), (10840, 24586), (12293, 21680), (12940, 20596)]