680780800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 264

約数和(自身を含む): 2010317760

約数和(自身を除く): 1329536960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 128, 131, 140, 145, 160, 175, 200, 203, 224, 232, 256, 262, 280, 290, 320, 350, 400, 406, 448, 464, 512, 524, 560, 580, 640, 655, 700, 725, 800, 812, 896, 917, 928, 1015, 1024, 1048, 1120, 1160, 1280, 1310, 1400, 1450, 1600, 1624, 1792, 1834, 1856, 2030, 2096, 2240, 2320, 2560, 2620, 2800, 2900, 3200, 3248, 3275, 3584, 3668, 3712, 3799, 4060, 4192, 4480, 4585, 4640, 5075, 5120, 5240, 5600, 5800, 6400, 6496, 6550, 7168, 7336, 7424, 7598, 8120, 8384, 8960, 9170, 9280, 10150, 10480, 11200, 11600, 12800, 12992, 13100, 14672, 14848, 15196, 16240, 16768, 17920, 18340, 18560, 18995, 20300, 20960, 22400, 22925, 23200, 25600, 25984, 26200, 26593, 29344, 29696, 30392, 32480, 33536, 35840, 36680, 37120, 37990, 40600, 41920, 44800, 45850, 46400, 51968, 52400, 53186, 58688, 60784, 64960, 67072, 73360, 74240, 75980, 81200, 83840, 89600, 91700, 92800, 94975, 103936, 104800, 106372, 117376, 121568, 129920, 132965, 134144, 146720, 148480, 151960, 162400, 167680, 179200, 183400, 185600, 189950, 207872, 209600, 212744, 234752, 243136, 259840, 265930, 293440, 303920, 324800, 335360, 366800, 371200, 379900, 419200, 425488, 469504, 486272, 519680, 531860, 586880, 607840, 649600, 664825, 670720, 733600, 742400, 759800, 838400, 850976, 939008, 972544, 1039360, 1063720, 1173760, 1215680, 1299200, 1329650, 1467200, 1519600, 1676800, 1701952, 1945088, 2127440, 2347520, 2431360, 2598400, 2659300, 2934400, 3039200, 3353600, 3403904, 3890176, 4254880, 4695040, 4862720, 5196800, 5318600, 5868800, 6078400, 6807808, 8509760, 9725440, 10637200, 11737600, 12156800, 13615616, 17019520, 19450880, 21274400, 23475200, 24313600, 27231232, 34039040, 42548800, 48627200, 68078080, 85097600, 97254400, 136156160, 170195200, 340390400, 680780800]

約数ペア:

[(1, 680780800), (2, 340390400), (4, 170195200), (5, 136156160), (7, 97254400), (8, 85097600), (10, 68078080), (14, 48627200), (16, 42548800), (20, 34039040), (25, 27231232), (28, 24313600), (29, 23475200), (32, 21274400), (35, 19450880), (40, 17019520), (50, 13615616), (56, 12156800), (58, 11737600), (64, 10637200), (70, 9725440), (80, 8509760), (100, 6807808), (112, 6078400), (116, 5868800), (128, 5318600), (131, 5196800), (140, 4862720), (145, 4695040), (160, 4254880), (175, 3890176), (200, 3403904), (203, 3353600), (224, 3039200), (232, 2934400), (256, 2659300), (262, 2598400), (280, 2431360), (290, 2347520), (320, 2127440), (350, 1945088), (400, 1701952), (406, 1676800), (448, 1519600), (464, 1467200), (512, 1329650), (524, 1299200), (560, 1215680), (580, 1173760), (640, 1063720), (655, 1039360), (700, 972544), (725, 939008), (800, 850976), (812, 838400), (896, 759800), (917, 742400), (928, 733600), (1015, 670720), (1024, 664825), (1048, 649600), (1120, 607840), (1160, 586880), (1280, 531860), (1310, 519680), (1400, 486272), (1450, 469504), (1600, 425488), (1624, 419200), (1792, 379900), (1834, 371200), (1856, 366800), (2030, 335360), (2096, 324800), (2240, 303920), (2320, 293440), (2560, 265930), (2620, 259840), (2800, 243136), (2900, 234752), (3200, 212744), (3248, 209600), (3275, 207872), (3584, 189950), (3668, 185600), (3712, 183400), (3799, 179200), (4060, 167680), (4192, 162400), (4480, 151960), (4585, 148480), (4640, 146720), (5075, 134144), (5120, 132965), (5240, 129920), (5600, 121568), (5800, 117376), (6400, 106372), (6496, 104800), (6550, 103936), (7168, 94975), (7336, 92800), (7424, 91700), (7598, 89600), (8120, 83840), (8384, 81200), (8960, 75980), (9170, 74240), (9280, 73360), (10150, 67072), (10480, 64960), (11200, 60784), (11600, 58688), (12800, 53186), (12992, 52400), (13100, 51968), (14672, 46400), (14848, 45850), (15196, 44800), (16240, 41920), (16768, 40600), (17920, 37990), (18340, 37120), (18560, 36680), (18995, 35840), (20300, 33536), (20960, 32480), (22400, 30392), (22925, 29696), (23200, 29344), (25600, 26593), (25984, 26200)]