198120720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 240

約数和(自身を含む): 757237248

約数和(自身を除く): 559116528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 991, 1020, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1960, 1982, 2040, 2352, 2380, 2499, 2856, 2940, 2973, 3332, 3570, 3920, 3964, 4080, 4165, 4760, 4955, 4998, 5712, 5880, 5946, 6664, 6937, 7140, 7928, 8330, 9520, 9910, 9996, 11760, 11892, 12495, 13328, 13874, 14280, 14865, 15856, 16660, 16847, 19820, 19992, 20811, 23784, 24990, 27748, 28560, 29730, 33320, 33694, 34685, 39640, 39984, 41622, 47568, 48559, 49980, 50541, 55496, 59460, 66640, 67388, 69370, 79280, 83244, 84235, 97118, 99960, 101082, 104055, 110992, 117929, 118920, 134776, 138740, 145677, 166488, 168470, 194236, 199920, 202164, 208110, 235858, 237840, 242795, 252705, 269552, 277480, 291354, 332976, 336940, 353787, 388472, 404328, 416220, 471716, 485590, 505410, 554960, 582708, 589645, 673880, 707574, 728385, 776944, 808656, 825503, 832440, 943432, 971180, 1010820, 1165416, 1179290, 1347760, 1415148, 1456770, 1651006, 1664880, 1768935, 1886864, 1942360, 2021640, 2330832, 2358580, 2476509, 2830296, 2913540, 3302012, 3537870, 3884720, 4043280, 4127515, 4717160, 4953018, 5660592, 5827080, 6604024, 7075740, 8255030, 9434320, 9906036, 11654160, 12382545, 13208048, 14151480, 16510060, 19812072, 24765090, 28302960, 33020120, 39624144, 49530180, 66040240, 99060360, 198120720]

約数ペア:

[(1, 198120720), (2, 99060360), (3, 66040240), (4, 49530180), (5, 39624144), (6, 33020120), (7, 28302960), (8, 24765090), (10, 19812072), (12, 16510060), (14, 14151480), (15, 13208048), (16, 12382545), (17, 11654160), (20, 9906036), (21, 9434320), (24, 8255030), (28, 7075740), (30, 6604024), (34, 5827080), (35, 5660592), (40, 4953018), (42, 4717160), (48, 4127515), (49, 4043280), (51, 3884720), (56, 3537870), (60, 3302012), (68, 2913540), (70, 2830296), (80, 2476509), (84, 2358580), (85, 2330832), (98, 2021640), (102, 1942360), (105, 1886864), (112, 1768935), (119, 1664880), (120, 1651006), (136, 1456770), (140, 1415148), (147, 1347760), (168, 1179290), (170, 1165416), (196, 1010820), (204, 971180), (210, 943432), (238, 832440), (240, 825503), (245, 808656), (255, 776944), (272, 728385), (280, 707574), (294, 673880), (336, 589645), (340, 582708), (357, 554960), (392, 505410), (408, 485590), (420, 471716), (476, 416220), (490, 404328), (510, 388472), (560, 353787), (588, 336940), (595, 332976), (680, 291354), (714, 277480), (735, 269552), (784, 252705), (816, 242795), (833, 237840), (840, 235858), (952, 208110), (980, 202164), (991, 199920), (1020, 194236), (1176, 168470), (1190, 166488), (1360, 145677), (1428, 138740), (1470, 134776), (1666, 118920), (1680, 117929), (1785, 110992), (1904, 104055), (1960, 101082), (1982, 99960), (2040, 97118), (2352, 84235), (2380, 83244), (2499, 79280), (2856, 69370), (2940, 67388), (2973, 66640), (3332, 59460), (3570, 55496), (3920, 50541), (3964, 49980), (4080, 48559), (4165, 47568), (4760, 41622), (4955, 39984), (4998, 39640), (5712, 34685), (5880, 33694), (5946, 33320), (6664, 29730), (6937, 28560), (7140, 27748), (7928, 24990), (8330, 23784), (9520, 20811), (9910, 19992), (9996, 19820), (11760, 16847), (11892, 16660), (12495, 15856), (13328, 14865), (13874, 14280)]