1130721280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 208

約数和(自身を含む): 3038402304

約数和(自身を除く): 1907681024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 137, 155, 160, 208, 248, 256, 260, 274, 310, 320, 403, 416, 496, 512, 520, 548, 620, 640, 685, 806, 832, 992, 1024, 1040, 1096, 1240, 1280, 1370, 1612, 1664, 1781, 1984, 2015, 2048, 2080, 2192, 2480, 2560, 2740, 3224, 3328, 3562, 3968, 4030, 4096, 4160, 4247, 4384, 4960, 5120, 5480, 6448, 6656, 7124, 7936, 8060, 8320, 8494, 8768, 8905, 9920, 10240, 10960, 12896, 13312, 14248, 15872, 16120, 16640, 16988, 17536, 17810, 19840, 20480, 21235, 21920, 25792, 26624, 28496, 31744, 32240, 33280, 33976, 35072, 35620, 39680, 42470, 43840, 51584, 53248, 55211, 56992, 63488, 64480, 66560, 67952, 70144, 71240, 79360, 84940, 87680, 103168, 110422, 113984, 126976, 128960, 133120, 135904, 140288, 142480, 158720, 169880, 175360, 206336, 220844, 227968, 257920, 266240, 271808, 276055, 280576, 284960, 317440, 339760, 350720, 412672, 441688, 455936, 515840, 543616, 552110, 561152, 569920, 634880, 679520, 701440, 825344, 883376, 911872, 1031680, 1087232, 1104220, 1139840, 1359040, 1402880, 1650688, 1766752, 1823744, 2063360, 2174464, 2208440, 2279680, 2718080, 2805760, 3533504, 3647488, 4126720, 4348928, 4416880, 4559360, 5436160, 7067008, 7294976, 8253440, 8697856, 8833760, 9118720, 10872320, 14134016, 17395712, 17667520, 18237440, 21744640, 28268032, 35335040, 36474880, 43489280, 56536064, 70670080, 86978560, 113072128, 141340160, 226144256, 282680320, 565360640, 1130721280]

約数ペア:

[(1, 1130721280), (2, 565360640), (4, 282680320), (5, 226144256), (8, 141340160), (10, 113072128), (13, 86978560), (16, 70670080), (20, 56536064), (26, 43489280), (31, 36474880), (32, 35335040), (40, 28268032), (52, 21744640), (62, 18237440), (64, 17667520), (65, 17395712), (80, 14134016), (104, 10872320), (124, 9118720), (128, 8833760), (130, 8697856), (137, 8253440), (155, 7294976), (160, 7067008), (208, 5436160), (248, 4559360), (256, 4416880), (260, 4348928), (274, 4126720), (310, 3647488), (320, 3533504), (403, 2805760), (416, 2718080), (496, 2279680), (512, 2208440), (520, 2174464), (548, 2063360), (620, 1823744), (640, 1766752), (685, 1650688), (806, 1402880), (832, 1359040), (992, 1139840), (1024, 1104220), (1040, 1087232), (1096, 1031680), (1240, 911872), (1280, 883376), (1370, 825344), (1612, 701440), (1664, 679520), (1781, 634880), (1984, 569920), (2015, 561152), (2048, 552110), (2080, 543616), (2192, 515840), (2480, 455936), (2560, 441688), (2740, 412672), (3224, 350720), (3328, 339760), (3562, 317440), (3968, 284960), (4030, 280576), (4096, 276055), (4160, 271808), (4247, 266240), (4384, 257920), (4960, 227968), (5120, 220844), (5480, 206336), (6448, 175360), (6656, 169880), (7124, 158720), (7936, 142480), (8060, 140288), (8320, 135904), (8494, 133120), (8768, 128960), (8905, 126976), (9920, 113984), (10240, 110422), (10960, 103168), (12896, 87680), (13312, 84940), (14248, 79360), (15872, 71240), (16120, 70144), (16640, 67952), (16988, 66560), (17536, 64480), (17810, 63488), (19840, 56992), (20480, 55211), (21235, 53248), (21920, 51584), (25792, 43840), (26624, 42470), (28496, 39680), (31744, 35620), (32240, 35072), (33280, 33976)]