321914880

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 288

約数和(自身を含む): 1277640000

約数和(自身を除く): 955725120

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, 499, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 998, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1497, 1536, 1680, 1792, 1920, 1996, 2016, 2048, 2240, 2304, 2495, 2520, 2560, 2688, 2880, 2994, 3072, 3360, 3493, 3584, 3840, 3992, 4032, 4480, 4491, 4608, 4990, 5040, 5120, 5376, 5760, 5988, 6144, 6720, 6986, 7168, 7485, 7680, 7984, 8064, 8960, 8982, 9216, 9980, 10080, 10240, 10479, 10752, 11520, 11976, 13440, 13972, 14336, 14970, 15360, 15968, 16128, 17465, 17920, 17964, 18432, 19960, 20160, 20958, 21504, 22455, 23040, 23952, 26880, 27944, 29940, 30720, 31437, 31936, 32256, 34930, 35840, 35928, 39920, 40320, 41916, 43008, 44910, 46080, 47904, 52395, 53760, 55888, 59880, 62874, 63872, 64512, 69860, 71680, 71856, 79840, 80640, 83832, 89820, 92160, 95808, 104790, 107520, 111776, 119760, 125748, 127744, 129024, 139720, 143712, 157185, 159680, 161280, 167664, 179640, 191616, 209580, 215040, 223552, 239520, 251496, 255488, 279440, 287424, 314370, 319360, 322560, 335328, 359280, 383232, 419160, 447104, 479040, 502992, 510976, 558880, 574848, 628740, 638720, 645120, 670656, 718560, 766464, 838320, 894208, 958080, 1005984, 1021952, 1117760, 1149696, 1257480, 1277440, 1341312, 1437120, 1532928, 1676640, 1788416, 1916160, 2011968, 2235520, 2299392, 2514960, 2554880, 2682624, 2874240, 3065856, 3353280, 3576832, 3832320, 4023936, 4471040, 4598784, 5029920, 5109760, 5365248, 5748480, 6706560, 7153664, 7664640, 8047872, 8942080, 9197568, 10059840, 10730496, 11496960, 13413120, 15329280, 16095744, 17884160, 20119680, 21460992, 22993920, 26826240, 32191488, 35768320, 40239360, 45987840, 53652480, 64382976, 80478720, 107304960, 160957440, 321914880]

約数ペア:

[(1, 321914880), (2, 160957440), (3, 107304960), (4, 80478720), (5, 64382976), (6, 53652480), (7, 45987840), (8, 40239360), (9, 35768320), (10, 32191488), (12, 26826240), (14, 22993920), (15, 21460992), (16, 20119680), (18, 17884160), (20, 16095744), (21, 15329280), (24, 13413120), (28, 11496960), (30, 10730496), (32, 10059840), (35, 9197568), (36, 8942080), (40, 8047872), (42, 7664640), (45, 7153664), (48, 6706560), (56, 5748480), (60, 5365248), (63, 5109760), (64, 5029920), (70, 4598784), (72, 4471040), (80, 4023936), (84, 3832320), (90, 3576832), (96, 3353280), (105, 3065856), (112, 2874240), (120, 2682624), (126, 2554880), (128, 2514960), (140, 2299392), (144, 2235520), (160, 2011968), (168, 1916160), (180, 1788416), (192, 1676640), (210, 1532928), (224, 1437120), (240, 1341312), (252, 1277440), (256, 1257480), (280, 1149696), (288, 1117760), (315, 1021952), (320, 1005984), (336, 958080), (360, 894208), (384, 838320), (420, 766464), (448, 718560), (480, 670656), (499, 645120), (504, 638720), (512, 628740), (560, 574848), (576, 558880), (630, 510976), (640, 502992), (672, 479040), (720, 447104), (768, 419160), (840, 383232), (896, 359280), (960, 335328), (998, 322560), (1008, 319360), (1024, 314370), (1120, 287424), (1152, 279440), (1260, 255488), (1280, 251496), (1344, 239520), (1440, 223552), (1497, 215040), (1536, 209580), (1680, 191616), (1792, 179640), (1920, 167664), (1996, 161280), (2016, 159680), (2048, 157185), (2240, 143712), (2304, 139720), (2495, 129024), (2520, 127744), (2560, 125748), (2688, 119760), (2880, 111776), (2994, 107520), (3072, 104790), (3360, 95808), (3493, 92160), (3584, 89820), (3840, 83832), (3992, 80640), (4032, 79840), (4480, 71856), (4491, 71680), (4608, 69860), (4990, 64512), (5040, 63872), (5120, 62874), (5376, 59880), (5760, 55888), (5988, 53760), (6144, 52395), (6720, 47904), (6986, 46080), (7168, 44910), (7485, 43008), (7680, 41916), (7984, 40320), (8064, 39920), (8960, 35928), (8982, 35840), (9216, 34930), (9980, 32256), (10080, 31936), (10240, 31437), (10479, 30720), (10752, 29940), (11520, 27944), (11976, 26880), (13440, 23952), (13972, 23040), (14336, 22455), (14970, 21504), (15360, 20958), (15968, 20160), (16128, 19960), (17465, 18432), (17920, 17964)]