165983920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 425544192

約数和(自身を除く): 259560272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 127, 136, 155, 170, 248, 254, 272, 310, 340, 496, 508, 527, 620, 635, 680, 961, 1016, 1054, 1240, 1270, 1360, 1922, 2032, 2108, 2159, 2480, 2540, 2635, 3844, 3937, 4216, 4318, 4805, 5080, 5270, 7688, 7874, 8432, 8636, 9610, 10160, 10540, 10795, 15376, 15748, 16337, 17272, 19220, 19685, 21080, 21590, 31496, 32674, 34544, 38440, 39370, 42160, 43180, 62992, 65348, 66929, 76880, 78740, 81685, 86360, 122047, 130696, 133858, 157480, 163370, 172720, 244094, 261392, 267716, 314960, 326740, 334645, 488188, 535432, 610235, 653480, 669290, 976376, 1070864, 1220470, 1306960, 1338580, 1952752, 2074799, 2440940, 2677160, 4149598, 4881880, 5354320, 8299196, 9763760, 10373995, 16598392, 20747990, 33196784, 41495980, 82991960, 165983920]

約数ペア:

[(1, 165983920), (2, 82991960), (4, 41495980), (5, 33196784), (8, 20747990), (10, 16598392), (16, 10373995), (17, 9763760), (20, 8299196), (31, 5354320), (34, 4881880), (40, 4149598), (62, 2677160), (68, 2440940), (80, 2074799), (85, 1952752), (124, 1338580), (127, 1306960), (136, 1220470), (155, 1070864), (170, 976376), (248, 669290), (254, 653480), (272, 610235), (310, 535432), (340, 488188), (496, 334645), (508, 326740), (527, 314960), (620, 267716), (635, 261392), (680, 244094), (961, 172720), (1016, 163370), (1054, 157480), (1240, 133858), (1270, 130696), (1360, 122047), (1922, 86360), (2032, 81685), (2108, 78740), (2159, 76880), (2480, 66929), (2540, 65348), (2635, 62992), (3844, 43180), (3937, 42160), (4216, 39370), (4318, 38440), (4805, 34544), (5080, 32674), (5270, 31496), (7688, 21590), (7874, 21080), (8432, 19685), (8636, 19220), (9610, 17272), (10160, 16337), (10540, 15748), (10795, 15376)]