421731440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 1109262336

約数和(自身を除く): 687530896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 103, 104, 124, 127, 130, 155, 206, 208, 248, 254, 260, 310, 403, 412, 496, 508, 515, 520, 620, 635, 806, 824, 1016, 1030, 1040, 1240, 1270, 1339, 1612, 1648, 1651, 2015, 2032, 2060, 2480, 2540, 2678, 3193, 3224, 3302, 3937, 4030, 4120, 5080, 5356, 6386, 6448, 6604, 6695, 7874, 8060, 8240, 8255, 10160, 10712, 12772, 13081, 13208, 13390, 15748, 15965, 16120, 16510, 19685, 21424, 25544, 26162, 26416, 26780, 31496, 31930, 32240, 33020, 39370, 41509, 51088, 51181, 52324, 53560, 62992, 63860, 65405, 66040, 78740, 83018, 102362, 104648, 107120, 127720, 130810, 132080, 157480, 166036, 170053, 204724, 207545, 209296, 255440, 255905, 261620, 314960, 332072, 340106, 405511, 409448, 415090, 511810, 523240, 664144, 680212, 811022, 818896, 830180, 850265, 1023620, 1046480, 1360424, 1622044, 1660360, 1700530, 2027555, 2047240, 2720848, 3244088, 3320720, 3401060, 4055110, 4094480, 5271643, 6488176, 6802120, 8110220, 10543286, 13604240, 16220440, 21086572, 26358215, 32440880, 42173144, 52716430, 84346288, 105432860, 210865720, 421731440]

約数ペア:

[(1, 421731440), (2, 210865720), (4, 105432860), (5, 84346288), (8, 52716430), (10, 42173144), (13, 32440880), (16, 26358215), (20, 21086572), (26, 16220440), (31, 13604240), (40, 10543286), (52, 8110220), (62, 6802120), (65, 6488176), (80, 5271643), (103, 4094480), (104, 4055110), (124, 3401060), (127, 3320720), (130, 3244088), (155, 2720848), (206, 2047240), (208, 2027555), (248, 1700530), (254, 1660360), (260, 1622044), (310, 1360424), (403, 1046480), (412, 1023620), (496, 850265), (508, 830180), (515, 818896), (520, 811022), (620, 680212), (635, 664144), (806, 523240), (824, 511810), (1016, 415090), (1030, 409448), (1040, 405511), (1240, 340106), (1270, 332072), (1339, 314960), (1612, 261620), (1648, 255905), (1651, 255440), (2015, 209296), (2032, 207545), (2060, 204724), (2480, 170053), (2540, 166036), (2678, 157480), (3193, 132080), (3224, 130810), (3302, 127720), (3937, 107120), (4030, 104648), (4120, 102362), (5080, 83018), (5356, 78740), (6386, 66040), (6448, 65405), (6604, 63860), (6695, 62992), (7874, 53560), (8060, 52324), (8240, 51181), (8255, 51088), (10160, 41509), (10712, 39370), (12772, 33020), (13081, 32240), (13208, 31930), (13390, 31496), (15748, 26780), (15965, 26416), (16120, 26162), (16510, 25544), (19685, 21424)]