520191170080

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1\times {\mathrm{56369}}^1$

素因数の和:56942

約数の個数: 96

約数和(自身を含む): 1240884534960

約数和(自身を除く): 720693364880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 421, 548, 685, 842, 1096, 1370, 1684, 2105, 2192, 2740, 3368, 4210, 4384, 5480, 6736, 8420, 10960, 13472, 16840, 21920, 33680, 56369, 57677, 67360, 112738, 115354, 225476, 230708, 281845, 288385, 450952, 461416, 563690, 576770, 901904, 922832, 1127380, 1153540, 1803808, 1845664, 2254760, 2307080, 4509520, 4614160, 7722553, 9019040, 9228320, 15445106, 23731349, 30890212, 38612765, 47462698, 61780424, 77225530, 94925396, 118656745, 123560848, 154451060, 189850792, 237313490, 247121696, 308902120, 379701584, 474626980, 617804240, 759403168, 949253960, 1235608480, 1898507920, 3251194813, 3797015840, 6502389626, 13004779252, 16255974065, 26009558504, 32511948130, 52019117008, 65023896260, 104038234016, 130047792520, 260095585040, 520191170080]

約数ペア:

[(1, 520191170080), (2, 260095585040), (4, 130047792520), (5, 104038234016), (8, 65023896260), (10, 52019117008), (16, 32511948130), (20, 26009558504), (32, 16255974065), (40, 13004779252), (80, 6502389626), (137, 3797015840), (160, 3251194813), (274, 1898507920), (421, 1235608480), (548, 949253960), (685, 759403168), (842, 617804240), (1096, 474626980), (1370, 379701584), (1684, 308902120), (2105, 247121696), (2192, 237313490), (2740, 189850792), (3368, 154451060), (4210, 123560848), (4384, 118656745), (5480, 94925396), (6736, 77225530), (8420, 61780424), (10960, 47462698), (13472, 38612765), (16840, 30890212), (21920, 23731349), (33680, 15445106), (56369, 9228320), (57677, 9019040), (67360, 7722553), (112738, 4614160), (115354, 4509520), (225476, 2307080), (230708, 2254760), (281845, 1845664), (288385, 1803808), (450952, 1153540), (461416, 1127380), (563690, 922832), (576770, 901904)]