78079040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^2$

素因数の和:304

約数の個数: 84

約数和(自身を含む): 201699876

約数和(自身を除く): 123620836

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 137, 160, 208, 260, 274, 320, 416, 520, 548, 685, 832, 1040, 1096, 1370, 1781, 2080, 2192, 2740, 3562, 4160, 4384, 5480, 7124, 8768, 8905, 10960, 14248, 17810, 18769, 21920, 28496, 35620, 37538, 43840, 56992, 71240, 75076, 93845, 113984, 142480, 150152, 187690, 243997, 284960, 300304, 375380, 487994, 569920, 600608, 750760, 975988, 1201216, 1219985, 1501520, 1951976, 2439970, 3003040, 3903952, 4879940, 6006080, 7807904, 9759880, 15615808, 19519760, 39039520, 78079040]

約数ペア:

[(1, 78079040), (2, 39039520), (4, 19519760), (5, 15615808), (8, 9759880), (10, 7807904), (13, 6006080), (16, 4879940), (20, 3903952), (26, 3003040), (32, 2439970), (40, 1951976), (52, 1501520), (64, 1219985), (65, 1201216), (80, 975988), (104, 750760), (130, 600608), (137, 569920), (160, 487994), (208, 375380), (260, 300304), (274, 284960), (320, 243997), (416, 187690), (520, 150152), (548, 142480), (685, 113984), (832, 93845), (1040, 75076), (1096, 71240), (1370, 56992), (1781, 43840), (2080, 37538), (2192, 35620), (2740, 28496), (3562, 21920), (4160, 18769), (4384, 17810), (5480, 14248), (7124, 10960), (8768, 8905)]