1242674680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 3137863680

約数和(自身を除く): 1895189000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 127, 130, 155, 248, 254, 260, 310, 403, 508, 520, 607, 620, 635, 806, 1016, 1214, 1240, 1270, 1612, 1651, 2015, 2428, 2540, 3035, 3224, 3302, 3937, 4030, 4856, 5080, 6070, 6604, 7874, 7891, 8060, 8255, 12140, 13208, 15748, 15782, 16120, 16510, 18817, 19685, 24280, 31496, 31564, 33020, 37634, 39370, 39455, 51181, 63128, 66040, 75268, 77089, 78740, 78910, 94085, 102362, 150536, 154178, 157480, 157820, 188170, 204724, 244621, 255905, 308356, 315640, 376340, 385445, 409448, 489242, 511810, 616712, 752680, 770890, 978484, 1002157, 1023620, 1223105, 1541780, 1956968, 2004314, 2047240, 2389759, 2446210, 3083560, 4008628, 4779518, 4892420, 5010785, 8017256, 9559036, 9784840, 10021570, 11948795, 19118072, 20043140, 23897590, 31066867, 40086280, 47795180, 62133734, 95590360, 124267468, 155334335, 248534936, 310668670, 621337340, 1242674680]

約数ペア:

[(1, 1242674680), (2, 621337340), (4, 310668670), (5, 248534936), (8, 155334335), (10, 124267468), (13, 95590360), (20, 62133734), (26, 47795180), (31, 40086280), (40, 31066867), (52, 23897590), (62, 20043140), (65, 19118072), (104, 11948795), (124, 10021570), (127, 9784840), (130, 9559036), (155, 8017256), (248, 5010785), (254, 4892420), (260, 4779518), (310, 4008628), (403, 3083560), (508, 2446210), (520, 2389759), (607, 2047240), (620, 2004314), (635, 1956968), (806, 1541780), (1016, 1223105), (1214, 1023620), (1240, 1002157), (1270, 978484), (1612, 770890), (1651, 752680), (2015, 616712), (2428, 511810), (2540, 489242), (3035, 409448), (3224, 385445), (3302, 376340), (3937, 315640), (4030, 308356), (4856, 255905), (5080, 244621), (6070, 204724), (6604, 188170), (7874, 157820), (7891, 157480), (8060, 154178), (8255, 150536), (12140, 102362), (13208, 94085), (15748, 78910), (15782, 78740), (16120, 77089), (16510, 75268), (18817, 66040), (19685, 63128), (24280, 51181), (31496, 39455), (31564, 39370), (33020, 37634)]