77857920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{1931}}^1$

素因数の和:1963

約数の個数: 192

約数和(自身を含む): 307419840

約数和(自身を除く): 229561920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 1931, 2016, 2240, 2520, 2688, 2880, 3360, 3862, 4032, 4480, 5040, 5760, 5793, 6720, 7724, 8064, 9655, 10080, 11586, 13440, 13517, 15448, 17379, 19310, 20160, 23172, 27034, 28965, 30896, 34758, 38620, 40320, 40551, 46344, 54068, 57930, 61792, 67585, 69516, 77240, 81102, 86895, 92688, 108136, 115860, 121653, 123584, 135170, 139032, 154480, 162204, 173790, 185376, 202755, 216272, 231720, 243306, 247168, 270340, 278064, 308960, 324408, 347580, 370752, 405510, 432544, 463440, 486612, 540680, 556128, 608265, 617920, 648816, 695160, 741504, 811020, 865088, 926880, 973224, 1081360, 1112256, 1216530, 1235840, 1297632, 1390320, 1622040, 1730176, 1853760, 1946448, 2162720, 2224512, 2433060, 2595264, 2780640, 3244080, 3707520, 3892896, 4325440, 4866120, 5190528, 5561280, 6488160, 7785792, 8650880, 9732240, 11122560, 12976320, 15571584, 19464480, 25952640, 38928960, 77857920]

約数ペア:

[(1, 77857920), (2, 38928960), (3, 25952640), (4, 19464480), (5, 15571584), (6, 12976320), (7, 11122560), (8, 9732240), (9, 8650880), (10, 7785792), (12, 6488160), (14, 5561280), (15, 5190528), (16, 4866120), (18, 4325440), (20, 3892896), (21, 3707520), (24, 3244080), (28, 2780640), (30, 2595264), (32, 2433060), (35, 2224512), (36, 2162720), (40, 1946448), (42, 1853760), (45, 1730176), (48, 1622040), (56, 1390320), (60, 1297632), (63, 1235840), (64, 1216530), (70, 1112256), (72, 1081360), (80, 973224), (84, 926880), (90, 865088), (96, 811020), (105, 741504), (112, 695160), (120, 648816), (126, 617920), (128, 608265), (140, 556128), (144, 540680), (160, 486612), (168, 463440), (180, 432544), (192, 405510), (210, 370752), (224, 347580), (240, 324408), (252, 308960), (280, 278064), (288, 270340), (315, 247168), (320, 243306), (336, 231720), (360, 216272), (384, 202755), (420, 185376), (448, 173790), (480, 162204), (504, 154480), (560, 139032), (576, 135170), (630, 123584), (640, 121653), (672, 115860), (720, 108136), (840, 92688), (896, 86895), (960, 81102), (1008, 77240), (1120, 69516), (1152, 67585), (1260, 61792), (1344, 57930), (1440, 54068), (1680, 46344), (1920, 40551), (1931, 40320), (2016, 38620), (2240, 34758), (2520, 30896), (2688, 28965), (2880, 27034), (3360, 23172), (3862, 20160), (4032, 19310), (4480, 17379), (5040, 15448), (5760, 13517), (5793, 13440), (6720, 11586), (7724, 10080), (8064, 9655)]