173421040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 444400128

約数和(自身を除く): 270979088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 127, 130, 169, 202, 208, 254, 260, 338, 404, 505, 508, 520, 635, 676, 808, 845, 1010, 1016, 1040, 1270, 1313, 1352, 1616, 1651, 1690, 2020, 2032, 2540, 2626, 2704, 3302, 3380, 4040, 5080, 5252, 6565, 6604, 6760, 8080, 8255, 10160, 10504, 12827, 13130, 13208, 13520, 16510, 17069, 21008, 21463, 25654, 26260, 26416, 33020, 34138, 42926, 51308, 52520, 64135, 66040, 68276, 85345, 85852, 102616, 105040, 107315, 128270, 132080, 136552, 166751, 170690, 171704, 205232, 214630, 256540, 273104, 333502, 341380, 343408, 429260, 513080, 667004, 682760, 833755, 858520, 1026160, 1334008, 1365520, 1667510, 1717040, 2167763, 2668016, 3335020, 4335526, 6670040, 8671052, 10838815, 13340080, 17342104, 21677630, 34684208, 43355260, 86710520, 173421040]

約数ペア:

[(1, 173421040), (2, 86710520), (4, 43355260), (5, 34684208), (8, 21677630), (10, 17342104), (13, 13340080), (16, 10838815), (20, 8671052), (26, 6670040), (40, 4335526), (52, 3335020), (65, 2668016), (80, 2167763), (101, 1717040), (104, 1667510), (127, 1365520), (130, 1334008), (169, 1026160), (202, 858520), (208, 833755), (254, 682760), (260, 667004), (338, 513080), (404, 429260), (505, 343408), (508, 341380), (520, 333502), (635, 273104), (676, 256540), (808, 214630), (845, 205232), (1010, 171704), (1016, 170690), (1040, 166751), (1270, 136552), (1313, 132080), (1352, 128270), (1616, 107315), (1651, 105040), (1690, 102616), (2020, 85852), (2032, 85345), (2540, 68276), (2626, 66040), (2704, 64135), (3302, 52520), (3380, 51308), (4040, 42926), (5080, 34138), (5252, 33020), (6565, 26416), (6604, 26260), (6760, 25654), (8080, 21463), (8255, 21008), (10160, 17069), (10504, 16510), (12827, 13520), (13130, 13208)]