2781875520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31213

約数の個数: 168

約数和(自身を含む): 9877470720

約数和(自身を除く): 7095595200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 22320, 29760, 31159, 44640, 62318, 89280, 93477, 124636, 155795, 186954, 249272, 280431, 311590, 373908, 467385, 498544, 560862, 623180, 747816, 934770, 965929, 997088, 1121724, 1246360, 1402155, 1495632, 1869540, 1931858, 1994176, 2243448, 2492720, 2804310, 2897787, 2991264, 3739080, 3863716, 4486896, 4829645, 4985440, 5608620, 5795574, 5982528, 7478160, 7727432, 8693361, 8973792, 9659290, 9970880, 11217240, 11591148, 14488935, 14956320, 15454864, 17386722, 17947584, 19318580, 22434480, 23182296, 28977870, 29912640, 30909728, 34773444, 38637160, 43466805, 44868960, 46364592, 57955740, 61819456, 69546888, 77274320, 86933610, 89737920, 92729184, 115911480, 139093776, 154548640, 173867220, 185458368, 231822960, 278187552, 309097280, 347734440, 463645920, 556375104, 695468880, 927291840, 1390937760, 2781875520]

約数ペア:

[(1, 2781875520), (2, 1390937760), (3, 927291840), (4, 695468880), (5, 556375104), (6, 463645920), (8, 347734440), (9, 309097280), (10, 278187552), (12, 231822960), (15, 185458368), (16, 173867220), (18, 154548640), (20, 139093776), (24, 115911480), (30, 92729184), (31, 89737920), (32, 86933610), (36, 77274320), (40, 69546888), (45, 61819456), (48, 57955740), (60, 46364592), (62, 44868960), (64, 43466805), (72, 38637160), (80, 34773444), (90, 30909728), (93, 29912640), (96, 28977870), (120, 23182296), (124, 22434480), (144, 19318580), (155, 17947584), (160, 17386722), (180, 15454864), (186, 14956320), (192, 14488935), (240, 11591148), (248, 11217240), (279, 9970880), (288, 9659290), (310, 8973792), (320, 8693361), (360, 7727432), (372, 7478160), (465, 5982528), (480, 5795574), (496, 5608620), (558, 4985440), (576, 4829645), (620, 4486896), (720, 3863716), (744, 3739080), (930, 2991264), (960, 2897787), (992, 2804310), (1116, 2492720), (1240, 2243448), (1395, 1994176), (1440, 1931858), (1488, 1869540), (1860, 1495632), (1984, 1402155), (2232, 1246360), (2480, 1121724), (2790, 997088), (2880, 965929), (2976, 934770), (3720, 747816), (4464, 623180), (4960, 560862), (5580, 498544), (5952, 467385), (7440, 373908), (8928, 311590), (9920, 280431), (11160, 249272), (14880, 186954), (17856, 155795), (22320, 124636), (29760, 93477), (31159, 89280), (44640, 62318)]