2489315640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:539

約数の個数: 256

約数和(自身を含む): 8781696000

約数和(自身を除く): 6292380360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 197, 210, 245, 280, 294, 307, 343, 392, 394, 420, 490, 588, 591, 614, 686, 735, 788, 840, 921, 980, 985, 1029, 1176, 1182, 1228, 1372, 1379, 1470, 1535, 1576, 1715, 1842, 1960, 1970, 2058, 2149, 2364, 2456, 2744, 2758, 2940, 2955, 3070, 3430, 3684, 3940, 4116, 4137, 4298, 4605, 4728, 5145, 5516, 5880, 5910, 6140, 6447, 6860, 6895, 7368, 7880, 8232, 8274, 8596, 9210, 9653, 10290, 10745, 11032, 11820, 12280, 12894, 13720, 13790, 15043, 16548, 17192, 18420, 19306, 20580, 20685, 21490, 23640, 25788, 27580, 28959, 30086, 32235, 33096, 36840, 38612, 41160, 41370, 42980, 45129, 48265, 51576, 55160, 57918, 60172, 60479, 64470, 67571, 75215, 77224, 82740, 85960, 90258, 96530, 105301, 115836, 120344, 120958, 128940, 135142, 144795, 150430, 165480, 180516, 181437, 193060, 202713, 210602, 225645, 231672, 241916, 257880, 270284, 289590, 300860, 302395, 315903, 337855, 361032, 362874, 386120, 405426, 421204, 423353, 451290, 483832, 526505, 540568, 579180, 601720, 604790, 631806, 675710, 725748, 810852, 842408, 846706, 902580, 907185, 1013565, 1053010, 1158360, 1209580, 1263612, 1270059, 1351420, 1451496, 1579515, 1621704, 1693412, 1805160, 1814370, 2027130, 2106020, 2116765, 2419160, 2527224, 2540118, 2702840, 2963471, 3159030, 3386824, 3628740, 4054260, 4212040, 4233530, 5080236, 5926942, 6318060, 6350295, 7257480, 8108520, 8467060, 8890413, 10160472, 11853884, 12636120, 12700590, 14817355, 16934120, 17780826, 20744297, 23707768, 25401180, 29634710, 35561652, 41488594, 44452065, 50802360, 59269420, 62232891, 71123304, 82977188, 88904130, 103721485, 118538840, 124465782, 165954376, 177808260, 207442970, 248931564, 311164455, 355616520, 414885940, 497863128, 622328910, 829771880, 1244657820, 2489315640]

約数ペア:

[(1, 2489315640), (2, 1244657820), (3, 829771880), (4, 622328910), (5, 497863128), (6, 414885940), (7, 355616520), (8, 311164455), (10, 248931564), (12, 207442970), (14, 177808260), (15, 165954376), (20, 124465782), (21, 118538840), (24, 103721485), (28, 88904130), (30, 82977188), (35, 71123304), (40, 62232891), (42, 59269420), (49, 50802360), (56, 44452065), (60, 41488594), (70, 35561652), (84, 29634710), (98, 25401180), (105, 23707768), (120, 20744297), (140, 17780826), (147, 16934120), (168, 14817355), (196, 12700590), (197, 12636120), (210, 11853884), (245, 10160472), (280, 8890413), (294, 8467060), (307, 8108520), (343, 7257480), (392, 6350295), (394, 6318060), (420, 5926942), (490, 5080236), (588, 4233530), (591, 4212040), (614, 4054260), (686, 3628740), (735, 3386824), (788, 3159030), (840, 2963471), (921, 2702840), (980, 2540118), (985, 2527224), (1029, 2419160), (1176, 2116765), (1182, 2106020), (1228, 2027130), (1372, 1814370), (1379, 1805160), (1470, 1693412), (1535, 1621704), (1576, 1579515), (1715, 1451496), (1842, 1351420), (1960, 1270059), (1970, 1263612), (2058, 1209580), (2149, 1158360), (2364, 1053010), (2456, 1013565), (2744, 907185), (2758, 902580), (2940, 846706), (2955, 842408), (3070, 810852), (3430, 725748), (3684, 675710), (3940, 631806), (4116, 604790), (4137, 601720), (4298, 579180), (4605, 540568), (4728, 526505), (5145, 483832), (5516, 451290), (5880, 423353), (5910, 421204), (6140, 405426), (6447, 386120), (6860, 362874), (6895, 361032), (7368, 337855), (7880, 315903), (8232, 302395), (8274, 300860), (8596, 289590), (9210, 270284), (9653, 257880), (10290, 241916), (10745, 231672), (11032, 225645), (11820, 210602), (12280, 202713), (12894, 193060), (13720, 181437), (13790, 180516), (15043, 165480), (16548, 150430), (17192, 144795), (18420, 135142), (19306, 128940), (20580, 120958), (20685, 120344), (21490, 115836), (23640, 105301), (25788, 96530), (27580, 90258), (28959, 85960), (30086, 82740), (32235, 77224), (33096, 75215), (36840, 67571), (38612, 64470), (41160, 60479), (41370, 60172), (42980, 57918), (45129, 55160), (48265, 51576)]