155715840

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{1931}}^1$

素因数の和:1965

約数の個数: 216

約数和(自身を含む): 616045248

約数和(自身を除く): 460329408

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, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1931, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 3862, 4032, 4480, 5040, 5376, 5760, 5793, 6720, 7724, 8064, 8960, 9655, 10080, 11520, 11586, 13440, 13517, 15448, 16128, 17379, 19310, 20160, 23172, 26880, 27034, 28965, 30896, 34758, 38620, 40320, 40551, 46344, 54068, 57930, 61792, 67585, 69516, 77240, 80640, 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, 494336, 540680, 556128, 608265, 617920, 648816, 695160, 741504, 811020, 865088, 926880, 973224, 1081360, 1112256, 1216530, 1235840, 1297632, 1390320, 1483008, 1622040, 1730176, 1853760, 1946448, 2162720, 2224512, 2433060, 2471680, 2595264, 2780640, 3244080, 3460352, 3707520, 3892896, 4325440, 4449024, 4866120, 5190528, 5561280, 6488160, 7415040, 7785792, 8650880, 9732240, 10381056, 11122560, 12976320, 15571584, 17301760, 19464480, 22245120, 25952640, 31143168, 38928960, 51905280, 77857920, 155715840]

約数ペア:

[(1, 155715840), (2, 77857920), (3, 51905280), (4, 38928960), (5, 31143168), (6, 25952640), (7, 22245120), (8, 19464480), (9, 17301760), (10, 15571584), (12, 12976320), (14, 11122560), (15, 10381056), (16, 9732240), (18, 8650880), (20, 7785792), (21, 7415040), (24, 6488160), (28, 5561280), (30, 5190528), (32, 4866120), (35, 4449024), (36, 4325440), (40, 3892896), (42, 3707520), (45, 3460352), (48, 3244080), (56, 2780640), (60, 2595264), (63, 2471680), (64, 2433060), (70, 2224512), (72, 2162720), (80, 1946448), (84, 1853760), (90, 1730176), (96, 1622040), (105, 1483008), (112, 1390320), (120, 1297632), (126, 1235840), (128, 1216530), (140, 1112256), (144, 1081360), (160, 973224), (168, 926880), (180, 865088), (192, 811020), (210, 741504), (224, 695160), (240, 648816), (252, 617920), (256, 608265), (280, 556128), (288, 540680), (315, 494336), (320, 486612), (336, 463440), (360, 432544), (384, 405510), (420, 370752), (448, 347580), (480, 324408), (504, 308960), (560, 278064), (576, 270340), (630, 247168), (640, 243306), (672, 231720), (720, 216272), (768, 202755), (840, 185376), (896, 173790), (960, 162204), (1008, 154480), (1120, 139032), (1152, 135170), (1260, 123584), (1280, 121653), (1344, 115860), (1440, 108136), (1680, 92688), (1792, 86895), (1920, 81102), (1931, 80640), (2016, 77240), (2240, 69516), (2304, 67585), (2520, 61792), (2688, 57930), (2880, 54068), (3360, 46344), (3840, 40551), (3862, 40320), (4032, 38620), (4480, 34758), (5040, 30896), (5376, 28965), (5760, 27034), (5793, 26880), (6720, 23172), (7724, 20160), (8064, 19310), (8960, 17379), (9655, 16128), (10080, 15448), (11520, 13517), (11586, 13440)]