85440520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 214502400

約数和(自身を除く): 129061880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 139, 220, 242, 254, 278, 440, 484, 508, 556, 605, 635, 695, 968, 1016, 1112, 1210, 1270, 1390, 1397, 1529, 2420, 2540, 2780, 2794, 3058, 4840, 5080, 5560, 5588, 6116, 6985, 7645, 11176, 12232, 13970, 15290, 15367, 16819, 17653, 27940, 30580, 30734, 33638, 35306, 55880, 61160, 61468, 67276, 70612, 76835, 84095, 88265, 122936, 134552, 141224, 153670, 168190, 176530, 194183, 307340, 336380, 353060, 388366, 614680, 672760, 706120, 776732, 970915, 1553464, 1941830, 2136013, 3883660, 4272026, 7767320, 8544052, 10680065, 17088104, 21360130, 42720260, 85440520]

約数ペア:

[(1, 85440520), (2, 42720260), (4, 21360130), (5, 17088104), (8, 10680065), (10, 8544052), (11, 7767320), (20, 4272026), (22, 3883660), (40, 2136013), (44, 1941830), (55, 1553464), (88, 970915), (110, 776732), (121, 706120), (127, 672760), (139, 614680), (220, 388366), (242, 353060), (254, 336380), (278, 307340), (440, 194183), (484, 176530), (508, 168190), (556, 153670), (605, 141224), (635, 134552), (695, 122936), (968, 88265), (1016, 84095), (1112, 76835), (1210, 70612), (1270, 67276), (1390, 61468), (1397, 61160), (1529, 55880), (2420, 35306), (2540, 33638), (2780, 30734), (2794, 30580), (3058, 27940), (4840, 17653), (5080, 16819), (5560, 15367), (5588, 15290), (6116, 13970), (6985, 12232), (7645, 11176)]