78561280

素因数分解:

$2^{14}\times 5^1\times 7^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 217048608

約数和(自身を除く): 138487328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 256, 274, 280, 320, 448, 512, 548, 560, 640, 685, 896, 959, 1024, 1096, 1120, 1280, 1370, 1792, 1918, 2048, 2192, 2240, 2560, 2740, 3584, 3836, 4096, 4384, 4480, 4795, 5120, 5480, 7168, 7672, 8192, 8768, 8960, 9590, 10240, 10960, 14336, 15344, 16384, 17536, 17920, 19180, 20480, 21920, 28672, 30688, 35072, 35840, 38360, 40960, 43840, 57344, 61376, 70144, 71680, 76720, 81920, 87680, 114688, 122752, 140288, 143360, 153440, 175360, 245504, 280576, 286720, 306880, 350720, 491008, 561152, 573440, 613760, 701440, 982016, 1122304, 1227520, 1402880, 1964032, 2244608, 2455040, 2805760, 3928064, 4910080, 5611520, 7856128, 9820160, 11223040, 15712256, 19640320, 39280640, 78561280]

約数ペア:

[(1, 78561280), (2, 39280640), (4, 19640320), (5, 15712256), (7, 11223040), (8, 9820160), (10, 7856128), (14, 5611520), (16, 4910080), (20, 3928064), (28, 2805760), (32, 2455040), (35, 2244608), (40, 1964032), (56, 1402880), (64, 1227520), (70, 1122304), (80, 982016), (112, 701440), (128, 613760), (137, 573440), (140, 561152), (160, 491008), (224, 350720), (256, 306880), (274, 286720), (280, 280576), (320, 245504), (448, 175360), (512, 153440), (548, 143360), (560, 140288), (640, 122752), (685, 114688), (896, 87680), (959, 81920), (1024, 76720), (1096, 71680), (1120, 70144), (1280, 61376), (1370, 57344), (1792, 43840), (1918, 40960), (2048, 38360), (2192, 35840), (2240, 35072), (2560, 30688), (2740, 28672), (3584, 21920), (3836, 20480), (4096, 19180), (4384, 17920), (4480, 17536), (4795, 16384), (5120, 15344), (5480, 14336), (7168, 10960), (7672, 10240), (8192, 9590), (8768, 8960)]