81854080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 247443840

約数和(自身を除く): 165589760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 151, 154, 160, 176, 220, 224, 242, 280, 302, 308, 320, 352, 385, 440, 448, 484, 560, 604, 605, 616, 640, 704, 755, 770, 847, 880, 896, 968, 1057, 1120, 1208, 1210, 1232, 1408, 1510, 1540, 1661, 1694, 1760, 1936, 2114, 2240, 2416, 2420, 2464, 3020, 3080, 3322, 3388, 3520, 3872, 4228, 4235, 4480, 4832, 4840, 4928, 5285, 6040, 6160, 6644, 6776, 7040, 7744, 8305, 8456, 8470, 9664, 9680, 9856, 10570, 11627, 12080, 12320, 13288, 13552, 15488, 16610, 16912, 16940, 18271, 19328, 19360, 21140, 23254, 24160, 24640, 26576, 27104, 33220, 33824, 33880, 36542, 38720, 42280, 46508, 48320, 49280, 53152, 54208, 58135, 66440, 67648, 67760, 73084, 77440, 84560, 91355, 93016, 96640, 106304, 108416, 116270, 127897, 132880, 135296, 135520, 146168, 169120, 182710, 186032, 212608, 232540, 255794, 265760, 271040, 292336, 338240, 365420, 372064, 465080, 511588, 531520, 542080, 584672, 639485, 676480, 730840, 744128, 930160, 1023176, 1063040, 1169344, 1278970, 1461680, 1488256, 1860320, 2046352, 2338688, 2557940, 2923360, 3720640, 4092704, 5115880, 5846720, 7441280, 8185408, 10231760, 11693440, 16370816, 20463520, 40927040, 81854080]

約数ペア:

[(1, 81854080), (2, 40927040), (4, 20463520), (5, 16370816), (7, 11693440), (8, 10231760), (10, 8185408), (11, 7441280), (14, 5846720), (16, 5115880), (20, 4092704), (22, 3720640), (28, 2923360), (32, 2557940), (35, 2338688), (40, 2046352), (44, 1860320), (55, 1488256), (56, 1461680), (64, 1278970), (70, 1169344), (77, 1063040), (80, 1023176), (88, 930160), (110, 744128), (112, 730840), (121, 676480), (128, 639485), (140, 584672), (151, 542080), (154, 531520), (160, 511588), (176, 465080), (220, 372064), (224, 365420), (242, 338240), (280, 292336), (302, 271040), (308, 265760), (320, 255794), (352, 232540), (385, 212608), (440, 186032), (448, 182710), (484, 169120), (560, 146168), (604, 135520), (605, 135296), (616, 132880), (640, 127897), (704, 116270), (755, 108416), (770, 106304), (847, 96640), (880, 93016), (896, 91355), (968, 84560), (1057, 77440), (1120, 73084), (1208, 67760), (1210, 67648), (1232, 66440), (1408, 58135), (1510, 54208), (1540, 53152), (1661, 49280), (1694, 48320), (1760, 46508), (1936, 42280), (2114, 38720), (2240, 36542), (2416, 33880), (2420, 33824), (2464, 33220), (3020, 27104), (3080, 26576), (3322, 24640), (3388, 24160), (3520, 23254), (3872, 21140), (4228, 19360), (4235, 19328), (4480, 18271), (4832, 16940), (4840, 16912), (4928, 16610), (5285, 15488), (6040, 13552), (6160, 13288), (6644, 12320), (6776, 12080), (7040, 11627), (7744, 10570), (8305, 9856), (8456, 9680), (8470, 9664)]