87021440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 232657920

約数和(自身を除く): 145636480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 263, 320, 352, 376, 440, 470, 517, 526, 640, 704, 752, 880, 940, 1034, 1052, 1315, 1408, 1504, 1760, 1880, 2068, 2104, 2585, 2630, 2893, 3008, 3520, 3760, 4136, 4208, 5170, 5260, 5786, 6016, 7040, 7520, 8272, 8416, 10340, 10520, 11572, 12361, 14465, 15040, 16544, 16832, 20680, 21040, 23144, 24722, 28930, 30080, 33088, 33664, 41360, 42080, 46288, 49444, 57860, 61805, 66176, 82720, 84160, 92576, 98888, 115720, 123610, 135971, 165440, 168320, 185152, 197776, 231440, 247220, 271942, 330880, 370304, 395552, 462880, 494440, 543884, 679855, 791104, 925760, 988880, 1087768, 1359710, 1582208, 1851520, 1977760, 2175536, 2719420, 3955520, 4351072, 5438840, 7911040, 8702144, 10877680, 17404288, 21755360, 43510720, 87021440]

約数ペア:

[(1, 87021440), (2, 43510720), (4, 21755360), (5, 17404288), (8, 10877680), (10, 8702144), (11, 7911040), (16, 5438840), (20, 4351072), (22, 3955520), (32, 2719420), (40, 2175536), (44, 1977760), (47, 1851520), (55, 1582208), (64, 1359710), (80, 1087768), (88, 988880), (94, 925760), (110, 791104), (128, 679855), (160, 543884), (176, 494440), (188, 462880), (220, 395552), (235, 370304), (263, 330880), (320, 271942), (352, 247220), (376, 231440), (440, 197776), (470, 185152), (517, 168320), (526, 165440), (640, 135971), (704, 123610), (752, 115720), (880, 98888), (940, 92576), (1034, 84160), (1052, 82720), (1315, 66176), (1408, 61805), (1504, 57860), (1760, 49444), (1880, 46288), (2068, 42080), (2104, 41360), (2585, 33664), (2630, 33088), (2893, 30080), (3008, 28930), (3520, 24722), (3760, 23144), (4136, 21040), (4208, 20680), (5170, 16832), (5260, 16544), (5786, 15040), (6016, 14465), (7040, 12361), (7520, 11572), (8272, 10520), (8416, 10340)]