1270081280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 3307551744

約数和(自身を除く): 2037470464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 520, 601, 635, 640, 832, 1016, 1040, 1202, 1270, 1280, 1651, 1664, 2032, 2080, 2404, 2540, 3005, 3302, 3328, 4064, 4160, 4808, 5080, 6010, 6604, 7813, 8128, 8255, 8320, 9616, 10160, 12020, 13208, 15626, 16256, 16510, 16640, 19232, 20320, 24040, 26416, 31252, 32512, 33020, 38464, 39065, 40640, 48080, 52832, 62504, 66040, 76327, 76928, 78130, 81280, 96160, 105664, 125008, 132080, 152654, 153856, 156260, 162560, 192320, 211328, 250016, 264160, 305308, 312520, 381635, 384640, 422656, 500032, 528320, 610616, 625040, 763270, 769280, 992251, 1000064, 1056640, 1221232, 1250080, 1526540, 1984502, 2000128, 2113280, 2442464, 2500160, 3053080, 3969004, 4884928, 4961255, 5000320, 6106160, 7938008, 9769856, 9922510, 10000640, 12212320, 15876016, 19539712, 19845020, 24424640, 31752032, 39690040, 48849280, 63504064, 79380080, 97698560, 127008128, 158760160, 254016256, 317520320, 635040640, 1270081280]

約数ペア:

[(1, 1270081280), (2, 635040640), (4, 317520320), (5, 254016256), (8, 158760160), (10, 127008128), (13, 97698560), (16, 79380080), (20, 63504064), (26, 48849280), (32, 39690040), (40, 31752032), (52, 24424640), (64, 19845020), (65, 19539712), (80, 15876016), (104, 12212320), (127, 10000640), (128, 9922510), (130, 9769856), (160, 7938008), (208, 6106160), (254, 5000320), (256, 4961255), (260, 4884928), (320, 3969004), (416, 3053080), (508, 2500160), (520, 2442464), (601, 2113280), (635, 2000128), (640, 1984502), (832, 1526540), (1016, 1250080), (1040, 1221232), (1202, 1056640), (1270, 1000064), (1280, 992251), (1651, 769280), (1664, 763270), (2032, 625040), (2080, 610616), (2404, 528320), (2540, 500032), (3005, 422656), (3302, 384640), (3328, 381635), (4064, 312520), (4160, 305308), (4808, 264160), (5080, 250016), (6010, 211328), (6604, 192320), (7813, 162560), (8128, 156260), (8255, 153856), (8320, 152654), (9616, 132080), (10160, 125008), (12020, 105664), (13208, 96160), (15626, 81280), (16256, 78130), (16510, 76928), (16640, 76327), (19232, 66040), (20320, 62504), (24040, 52832), (26416, 48080), (31252, 40640), (32512, 39065), (33020, 38464)]