126928880

素因数分解:

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

素因数の和:215

約数の個数: 120

約数和(自身を含む): 330978816

約数和(自身を除く): 204049936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 127, 130, 155, 208, 248, 254, 260, 310, 403, 496, 508, 520, 620, 635, 806, 961, 1016, 1040, 1240, 1270, 1612, 1651, 1922, 2015, 2032, 2480, 2540, 3224, 3302, 3844, 3937, 4030, 4805, 5080, 6448, 6604, 7688, 7874, 8060, 8255, 9610, 10160, 12493, 13208, 15376, 15748, 16120, 16510, 19220, 19685, 24986, 26416, 31496, 32240, 33020, 38440, 39370, 49972, 51181, 62465, 62992, 66040, 76880, 78740, 99944, 102362, 122047, 124930, 132080, 157480, 199888, 204724, 244094, 249860, 255905, 314960, 409448, 488188, 499720, 511810, 610235, 818896, 976376, 999440, 1023620, 1220470, 1586611, 1952752, 2047240, 2440940, 3173222, 4094480, 4881880, 6346444, 7933055, 9763760, 12692888, 15866110, 25385776, 31732220, 63464440, 126928880]

約数ペア:

[(1, 126928880), (2, 63464440), (4, 31732220), (5, 25385776), (8, 15866110), (10, 12692888), (13, 9763760), (16, 7933055), (20, 6346444), (26, 4881880), (31, 4094480), (40, 3173222), (52, 2440940), (62, 2047240), (65, 1952752), (80, 1586611), (104, 1220470), (124, 1023620), (127, 999440), (130, 976376), (155, 818896), (208, 610235), (248, 511810), (254, 499720), (260, 488188), (310, 409448), (403, 314960), (496, 255905), (508, 249860), (520, 244094), (620, 204724), (635, 199888), (806, 157480), (961, 132080), (1016, 124930), (1040, 122047), (1240, 102362), (1270, 99944), (1612, 78740), (1651, 76880), (1922, 66040), (2015, 62992), (2032, 62465), (2480, 51181), (2540, 49972), (3224, 39370), (3302, 38440), (3844, 33020), (3937, 32240), (4030, 31496), (4805, 26416), (5080, 24986), (6448, 19685), (6604, 19220), (7688, 16510), (7874, 16120), (8060, 15748), (8255, 15376), (9610, 13208), (10160, 12493)]