213441280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 560415744

約数和(自身を除く): 346974464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 127, 128, 130, 160, 202, 208, 254, 256, 260, 320, 404, 416, 505, 508, 520, 635, 640, 808, 832, 1010, 1016, 1040, 1270, 1280, 1313, 1616, 1651, 1664, 2020, 2032, 2080, 2540, 2626, 3232, 3302, 3328, 4040, 4064, 4160, 5080, 5252, 6464, 6565, 6604, 8080, 8128, 8255, 8320, 10160, 10504, 12827, 12928, 13130, 13208, 16160, 16256, 16510, 16640, 20320, 21008, 25654, 25856, 26260, 26416, 32320, 32512, 33020, 40640, 42016, 51308, 52520, 52832, 64135, 64640, 66040, 81280, 84032, 102616, 105040, 105664, 128270, 129280, 132080, 162560, 166751, 168064, 205232, 210080, 211328, 256540, 264160, 333502, 336128, 410464, 420160, 422656, 513080, 528320, 667004, 820928, 833755, 840320, 1026160, 1056640, 1334008, 1641856, 1667510, 1680640, 2052320, 2113280, 2668016, 3283712, 3335020, 4104640, 5336032, 6670040, 8209280, 10672064, 13340080, 16418560, 21344128, 26680160, 42688256, 53360320, 106720640, 213441280]

約数ペア:

[(1, 213441280), (2, 106720640), (4, 53360320), (5, 42688256), (8, 26680160), (10, 21344128), (13, 16418560), (16, 13340080), (20, 10672064), (26, 8209280), (32, 6670040), (40, 5336032), (52, 4104640), (64, 3335020), (65, 3283712), (80, 2668016), (101, 2113280), (104, 2052320), (127, 1680640), (128, 1667510), (130, 1641856), (160, 1334008), (202, 1056640), (208, 1026160), (254, 840320), (256, 833755), (260, 820928), (320, 667004), (404, 528320), (416, 513080), (505, 422656), (508, 420160), (520, 410464), (635, 336128), (640, 333502), (808, 264160), (832, 256540), (1010, 211328), (1016, 210080), (1040, 205232), (1270, 168064), (1280, 166751), (1313, 162560), (1616, 132080), (1651, 129280), (1664, 128270), (2020, 105664), (2032, 105040), (2080, 102616), (2540, 84032), (2626, 81280), (3232, 66040), (3302, 64640), (3328, 64135), (4040, 52832), (4064, 52520), (4160, 51308), (5080, 42016), (5252, 40640), (6464, 33020), (6565, 32512), (6604, 32320), (8080, 26416), (8128, 26260), (8255, 25856), (8320, 25654), (10160, 21008), (10504, 20320), (12827, 16640), (12928, 16510), (13130, 16256), (13208, 16160)]