28302960

素因数分解:

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

素因数の和:1031

約数の個数: 160

約数和(自身を含む): 106278912

約数和(自身を除く): 77975952

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, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 991, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 1982, 2040, 2380, 2856, 2973, 3570, 3964, 4080, 4760, 4955, 5712, 5946, 6937, 7140, 7928, 9520, 9910, 11892, 13874, 14280, 14865, 15856, 16847, 19820, 20811, 23784, 27748, 28560, 29730, 33694, 34685, 39640, 41622, 47568, 50541, 55496, 59460, 67388, 69370, 79280, 83244, 84235, 101082, 104055, 110992, 117929, 118920, 134776, 138740, 166488, 168470, 202164, 208110, 235858, 237840, 252705, 269552, 277480, 332976, 336940, 353787, 404328, 416220, 471716, 505410, 554960, 589645, 673880, 707574, 808656, 832440, 943432, 1010820, 1179290, 1347760, 1415148, 1664880, 1768935, 1886864, 2021640, 2358580, 2830296, 3537870, 4043280, 4717160, 5660592, 7075740, 9434320, 14151480, 28302960]

約数ペア:

[(1, 28302960), (2, 14151480), (3, 9434320), (4, 7075740), (5, 5660592), (6, 4717160), (7, 4043280), (8, 3537870), (10, 2830296), (12, 2358580), (14, 2021640), (15, 1886864), (16, 1768935), (17, 1664880), (20, 1415148), (21, 1347760), (24, 1179290), (28, 1010820), (30, 943432), (34, 832440), (35, 808656), (40, 707574), (42, 673880), (48, 589645), (51, 554960), (56, 505410), (60, 471716), (68, 416220), (70, 404328), (80, 353787), (84, 336940), (85, 332976), (102, 277480), (105, 269552), (112, 252705), (119, 237840), (120, 235858), (136, 208110), (140, 202164), (168, 168470), (170, 166488), (204, 138740), (210, 134776), (238, 118920), (240, 117929), (255, 110992), (272, 104055), (280, 101082), (336, 84235), (340, 83244), (357, 79280), (408, 69370), (420, 67388), (476, 59460), (510, 55496), (560, 50541), (595, 47568), (680, 41622), (714, 39640), (816, 34685), (840, 33694), (952, 29730), (991, 28560), (1020, 27748), (1190, 23784), (1360, 20811), (1428, 19820), (1680, 16847), (1785, 15856), (1904, 14865), (1982, 14280), (2040, 13874), (2380, 11892), (2856, 9910), (2973, 9520), (3570, 7928), (3964, 7140), (4080, 6937), (4760, 5946), (4955, 5712)]