306337920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1043

約数の個数: 256

約数和(自身を含む): 1165639680

約数和(自身を除く): 859301760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 991, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1840, 1920, 1932, 1982, 2208, 2240, 2415, 2576, 2688, 2760, 2944, 2973, 3220, 3360, 3680, 3864, 3964, 4416, 4480, 4830, 4955, 5152, 5520, 5946, 6440, 6720, 6937, 7360, 7728, 7928, 8832, 9660, 9910, 10304, 11040, 11892, 12880, 13440, 13874, 14720, 14865, 15456, 15856, 19320, 19820, 20608, 20811, 22080, 22793, 23784, 25760, 27748, 29730, 30912, 31712, 34685, 38640, 39640, 41622, 44160, 45586, 47568, 51520, 55496, 59460, 61824, 63424, 68379, 69370, 77280, 79280, 83244, 91172, 95136, 103040, 104055, 110992, 113965, 118920, 126848, 136758, 138740, 154560, 158560, 159551, 166488, 182344, 190272, 208110, 221984, 227930, 237840, 273516, 277480, 309120, 317120, 319102, 332976, 341895, 364688, 380544, 416220, 443968, 455860, 475680, 478653, 547032, 554960, 634240, 638204, 665952, 683790, 729376, 797755, 832440, 887936, 911720, 951360, 957306, 1094064, 1109920, 1276408, 1331904, 1367580, 1458752, 1595510, 1664880, 1823440, 1902720, 1914612, 2188128, 2219840, 2393265, 2552816, 2663808, 2735160, 2917504, 3191020, 3329760, 3646880, 3829224, 4376256, 4439680, 4786530, 5105632, 5470320, 6382040, 6659520, 7293760, 7658448, 8752512, 9573060, 10211264, 10940640, 12764080, 13319040, 14587520, 15316896, 19146120, 20422528, 21881280, 25528160, 30633792, 38292240, 43762560, 51056320, 61267584, 76584480, 102112640, 153168960, 306337920]

約数ペア:

[(1, 306337920), (2, 153168960), (3, 102112640), (4, 76584480), (5, 61267584), (6, 51056320), (7, 43762560), (8, 38292240), (10, 30633792), (12, 25528160), (14, 21881280), (15, 20422528), (16, 19146120), (20, 15316896), (21, 14587520), (23, 13319040), (24, 12764080), (28, 10940640), (30, 10211264), (32, 9573060), (35, 8752512), (40, 7658448), (42, 7293760), (46, 6659520), (48, 6382040), (56, 5470320), (60, 5105632), (64, 4786530), (69, 4439680), (70, 4376256), (80, 3829224), (84, 3646880), (92, 3329760), (96, 3191020), (105, 2917504), (112, 2735160), (115, 2663808), (120, 2552816), (128, 2393265), (138, 2219840), (140, 2188128), (160, 1914612), (161, 1902720), (168, 1823440), (184, 1664880), (192, 1595510), (210, 1458752), (224, 1367580), (230, 1331904), (240, 1276408), (276, 1109920), (280, 1094064), (320, 957306), (322, 951360), (336, 911720), (345, 887936), (368, 832440), (384, 797755), (420, 729376), (448, 683790), (460, 665952), (480, 638204), (483, 634240), (552, 554960), (560, 547032), (640, 478653), (644, 475680), (672, 455860), (690, 443968), (736, 416220), (805, 380544), (840, 364688), (896, 341895), (920, 332976), (960, 319102), (966, 317120), (991, 309120), (1104, 277480), (1120, 273516), (1288, 237840), (1344, 227930), (1380, 221984), (1472, 208110), (1610, 190272), (1680, 182344), (1840, 166488), (1920, 159551), (1932, 158560), (1982, 154560), (2208, 138740), (2240, 136758), (2415, 126848), (2576, 118920), (2688, 113965), (2760, 110992), (2944, 104055), (2973, 103040), (3220, 95136), (3360, 91172), (3680, 83244), (3864, 79280), (3964, 77280), (4416, 69370), (4480, 68379), (4830, 63424), (4955, 61824), (5152, 59460), (5520, 55496), (5946, 51520), (6440, 47568), (6720, 45586), (6937, 44160), (7360, 41622), (7728, 39640), (7928, 38640), (8832, 34685), (9660, 31712), (9910, 30912), (10304, 29730), (11040, 27748), (11892, 25760), (12880, 23784), (13440, 22793), (13874, 22080), (14720, 20811), (14865, 20608), (15456, 19820), (15856, 19320)]