257411880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65003}}^1$

素因数の和:65031

約数の個数: 96

約数和(自身を含む): 912656160

約数和(自身を除く): 655244280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 65003, 130006, 195009, 260012, 325015, 390018, 520024, 585027, 650030, 715033, 780036, 975045, 1170054, 1300060, 1430066, 1560072, 1950090, 2145099, 2340108, 2600120, 2860132, 2925135, 3575165, 3900180, 4290198, 4680216, 5720264, 5850270, 6435297, 7150330, 7800360, 8580396, 10725495, 11700540, 12870594, 14300660, 17160792, 21450990, 23401080, 25741188, 28601320, 32176485, 42901980, 51482376, 64352970, 85803960, 128705940, 257411880]

約数ペア:

[(1, 257411880), (2, 128705940), (3, 85803960), (4, 64352970), (5, 51482376), (6, 42901980), (8, 32176485), (9, 28601320), (10, 25741188), (11, 23401080), (12, 21450990), (15, 17160792), (18, 14300660), (20, 12870594), (22, 11700540), (24, 10725495), (30, 8580396), (33, 7800360), (36, 7150330), (40, 6435297), (44, 5850270), (45, 5720264), (55, 4680216), (60, 4290198), (66, 3900180), (72, 3575165), (88, 2925135), (90, 2860132), (99, 2600120), (110, 2340108), (120, 2145099), (132, 1950090), (165, 1560072), (180, 1430066), (198, 1300060), (220, 1170054), (264, 975045), (330, 780036), (360, 715033), (396, 650030), (440, 585027), (495, 520024), (660, 390018), (792, 325015), (990, 260012), (1320, 195009), (1980, 130006), (3960, 65003)]