1379971840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:814

約数の個数: 144

約数和(自身を含む): 3593253888

約数和(自身を除く): 2213282048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 520, 635, 640, 653, 832, 1016, 1040, 1270, 1280, 1306, 1651, 1664, 2032, 2080, 2540, 2612, 3265, 3302, 3328, 4064, 4160, 5080, 5224, 6530, 6604, 8128, 8255, 8320, 8489, 10160, 10448, 13060, 13208, 16256, 16510, 16640, 16978, 20320, 20896, 26120, 26416, 32512, 33020, 33956, 40640, 41792, 42445, 52240, 52832, 66040, 67912, 81280, 82931, 83584, 84890, 104480, 105664, 132080, 135824, 162560, 165862, 167168, 169780, 208960, 211328, 264160, 271648, 331724, 339560, 414655, 417920, 422656, 528320, 543296, 663448, 679120, 829310, 835840, 1056640, 1078103, 1086592, 1326896, 1358240, 1658620, 2113280, 2156206, 2173184, 2653792, 2716480, 3317240, 4312412, 5307584, 5390515, 5432960, 6634480, 8624824, 10615168, 10781030, 10865920, 13268960, 17249648, 21230336, 21562060, 26537920, 34499296, 43124120, 53075840, 68998592, 86248240, 106151680, 137997184, 172496480, 275994368, 344992960, 689985920, 1379971840]

約数ペア:

[(1, 1379971840), (2, 689985920), (4, 344992960), (5, 275994368), (8, 172496480), (10, 137997184), (13, 106151680), (16, 86248240), (20, 68998592), (26, 53075840), (32, 43124120), (40, 34499296), (52, 26537920), (64, 21562060), (65, 21230336), (80, 17249648), (104, 13268960), (127, 10865920), (128, 10781030), (130, 10615168), (160, 8624824), (208, 6634480), (254, 5432960), (256, 5390515), (260, 5307584), (320, 4312412), (416, 3317240), (508, 2716480), (520, 2653792), (635, 2173184), (640, 2156206), (653, 2113280), (832, 1658620), (1016, 1358240), (1040, 1326896), (1270, 1086592), (1280, 1078103), (1306, 1056640), (1651, 835840), (1664, 829310), (2032, 679120), (2080, 663448), (2540, 543296), (2612, 528320), (3265, 422656), (3302, 417920), (3328, 414655), (4064, 339560), (4160, 331724), (5080, 271648), (5224, 264160), (6530, 211328), (6604, 208960), (8128, 169780), (8255, 167168), (8320, 165862), (8489, 162560), (10160, 135824), (10448, 132080), (13060, 105664), (13208, 104480), (16256, 84890), (16510, 83584), (16640, 82931), (16978, 81280), (20320, 67912), (20896, 66040), (26120, 52832), (26416, 52240), (32512, 42445), (33020, 41792), (33956, 40640)]