1680689920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 288

約数和(自身を含む): 5076707328

約数和(自身を除く): 3396017408

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 52, 56, 64, 65, 70, 80, 91, 94, 104, 112, 128, 130, 140, 160, 182, 188, 208, 224, 235, 256, 260, 280, 307, 320, 329, 364, 376, 416, 448, 455, 470, 520, 560, 611, 614, 640, 658, 728, 752, 832, 896, 910, 940, 1040, 1120, 1222, 1228, 1280, 1316, 1456, 1504, 1535, 1645, 1664, 1792, 1820, 1880, 2080, 2149, 2240, 2444, 2456, 2632, 2912, 3008, 3055, 3070, 3290, 3328, 3640, 3760, 3991, 4160, 4277, 4298, 4480, 4888, 4912, 5264, 5824, 6016, 6110, 6140, 6580, 7280, 7520, 7982, 8320, 8554, 8596, 8960, 9776, 9824, 10528, 10745, 11648, 12032, 12220, 12280, 13160, 14429, 14560, 15040, 15964, 16640, 17108, 17192, 19552, 19648, 19955, 21056, 21385, 21490, 23296, 24440, 24560, 26320, 27937, 28858, 29120, 30080, 31928, 34216, 34384, 39104, 39296, 39910, 42112, 42770, 42980, 48880, 49120, 52640, 55874, 57716, 58240, 60160, 63856, 68432, 68768, 72145, 78208, 78592, 79820, 84224, 85540, 85960, 97760, 98240, 101003, 105280, 111748, 115432, 116480, 127712, 136864, 137536, 139685, 144290, 156416, 159640, 171080, 171920, 187577, 195520, 196480, 202006, 210560, 223496, 230864, 255424, 273728, 275072, 279370, 288580, 319280, 342160, 343840, 375154, 391040, 392960, 404012, 421120, 446992, 461728, 505015, 510848, 547456, 550144, 558740, 577160, 638560, 684320, 687680, 750308, 782080, 808024, 893984, 923456, 937885, 1010030, 1021696, 1094912, 1117480, 1154320, 1277120, 1313039, 1368640, 1375360, 1500616, 1616048, 1787968, 1846912, 1875770, 2020060, 2234960, 2308640, 2554240, 2626078, 2737280, 2750720, 3001232, 3232096, 3575936, 3693824, 3751540, 4040120, 4469920, 4617280, 5108480, 5252156, 5474560, 6002464, 6464192, 6565195, 7151872, 7503080, 8080240, 8939840, 9234560, 10504312, 12004928, 12928384, 13130390, 15006160, 16160480, 17879680, 18469120, 21008624, 24009856, 25856768, 26260780, 30012320, 32320960, 35759360, 42017248, 48019712, 52521560, 60024640, 64641920, 84034496, 105043120, 120049280, 129283840, 168068992, 210086240, 240098560, 336137984, 420172480, 840344960, 1680689920]

約数ペア:

[(1, 1680689920), (2, 840344960), (4, 420172480), (5, 336137984), (7, 240098560), (8, 210086240), (10, 168068992), (13, 129283840), (14, 120049280), (16, 105043120), (20, 84034496), (26, 64641920), (28, 60024640), (32, 52521560), (35, 48019712), (40, 42017248), (47, 35759360), (52, 32320960), (56, 30012320), (64, 26260780), (65, 25856768), (70, 24009856), (80, 21008624), (91, 18469120), (94, 17879680), (104, 16160480), (112, 15006160), (128, 13130390), (130, 12928384), (140, 12004928), (160, 10504312), (182, 9234560), (188, 8939840), (208, 8080240), (224, 7503080), (235, 7151872), (256, 6565195), (260, 6464192), (280, 6002464), (307, 5474560), (320, 5252156), (329, 5108480), (364, 4617280), (376, 4469920), (416, 4040120), (448, 3751540), (455, 3693824), (470, 3575936), (520, 3232096), (560, 3001232), (611, 2750720), (614, 2737280), (640, 2626078), (658, 2554240), (728, 2308640), (752, 2234960), (832, 2020060), (896, 1875770), (910, 1846912), (940, 1787968), (1040, 1616048), (1120, 1500616), (1222, 1375360), (1228, 1368640), (1280, 1313039), (1316, 1277120), (1456, 1154320), (1504, 1117480), (1535, 1094912), (1645, 1021696), (1664, 1010030), (1792, 937885), (1820, 923456), (1880, 893984), (2080, 808024), (2149, 782080), (2240, 750308), (2444, 687680), (2456, 684320), (2632, 638560), (2912, 577160), (3008, 558740), (3055, 550144), (3070, 547456), (3290, 510848), (3328, 505015), (3640, 461728), (3760, 446992), (3991, 421120), (4160, 404012), (4277, 392960), (4298, 391040), (4480, 375154), (4888, 343840), (4912, 342160), (5264, 319280), (5824, 288580), (6016, 279370), (6110, 275072), (6140, 273728), (6580, 255424), (7280, 230864), (7520, 223496), (7982, 210560), (8320, 202006), (8554, 196480), (8596, 195520), (8960, 187577), (9776, 171920), (9824, 171080), (10528, 159640), (10745, 156416), (11648, 144290), (12032, 139685), (12220, 137536), (12280, 136864), (13160, 127712), (14429, 116480), (14560, 115432), (15040, 111748), (15964, 105280), (16640, 101003), (17108, 98240), (17192, 97760), (19552, 85960), (19648, 85540), (19955, 84224), (21056, 79820), (21385, 78592), (21490, 78208), (23296, 72145), (24440, 68768), (24560, 68432), (26320, 63856), (27937, 60160), (28858, 58240), (29120, 57716), (30080, 55874), (31928, 52640), (34216, 49120), (34384, 48880), (39104, 42980), (39296, 42770), (39910, 42112)]