263560960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 696398976

約数和(自身を除く): 432838016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 235, 256, 260, 320, 337, 376, 416, 470, 520, 611, 640, 674, 752, 832, 940, 1040, 1222, 1280, 1348, 1504, 1664, 1685, 1880, 2080, 2444, 2696, 3008, 3055, 3328, 3370, 3760, 4160, 4381, 4888, 5392, 6016, 6110, 6740, 7520, 8320, 8762, 9776, 10784, 12032, 12220, 13480, 15040, 15839, 16640, 17524, 19552, 21568, 21905, 24440, 26960, 30080, 31678, 35048, 39104, 43136, 43810, 48880, 53920, 60160, 63356, 70096, 78208, 79195, 86272, 87620, 97760, 107840, 126712, 140192, 156416, 158390, 175240, 195520, 205907, 215680, 253424, 280384, 316780, 350480, 391040, 411814, 431360, 506848, 560768, 633560, 700960, 782080, 823628, 1013696, 1029535, 1121536, 1267120, 1401920, 1647256, 2027392, 2059070, 2534240, 2803840, 3294512, 4054784, 4118140, 5068480, 5607680, 6589024, 8236280, 10136960, 13178048, 16472560, 20273920, 26356096, 32945120, 52712192, 65890240, 131780480, 263560960]

約数ペア:

[(1, 263560960), (2, 131780480), (4, 65890240), (5, 52712192), (8, 32945120), (10, 26356096), (13, 20273920), (16, 16472560), (20, 13178048), (26, 10136960), (32, 8236280), (40, 6589024), (47, 5607680), (52, 5068480), (64, 4118140), (65, 4054784), (80, 3294512), (94, 2803840), (104, 2534240), (128, 2059070), (130, 2027392), (160, 1647256), (188, 1401920), (208, 1267120), (235, 1121536), (256, 1029535), (260, 1013696), (320, 823628), (337, 782080), (376, 700960), (416, 633560), (470, 560768), (520, 506848), (611, 431360), (640, 411814), (674, 391040), (752, 350480), (832, 316780), (940, 280384), (1040, 253424), (1222, 215680), (1280, 205907), (1348, 195520), (1504, 175240), (1664, 158390), (1685, 156416), (1880, 140192), (2080, 126712), (2444, 107840), (2696, 97760), (3008, 87620), (3055, 86272), (3328, 79195), (3370, 78208), (3760, 70096), (4160, 63356), (4381, 60160), (4888, 53920), (5392, 48880), (6016, 43810), (6110, 43136), (6740, 39104), (7520, 35048), (8320, 31678), (8762, 30080), (9776, 26960), (10784, 24440), (12032, 21905), (12220, 21568), (13480, 19552), (15040, 17524), (15839, 16640)]