1282760960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 3340517376

約数和(自身を除く): 2057756416

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, 607, 635, 640, 832, 1016, 1040, 1214, 1270, 1280, 1651, 1664, 2032, 2080, 2428, 2540, 3035, 3302, 3328, 4064, 4160, 4856, 5080, 6070, 6604, 7891, 8128, 8255, 8320, 9712, 10160, 12140, 13208, 15782, 16256, 16510, 16640, 19424, 20320, 24280, 26416, 31564, 32512, 33020, 38848, 39455, 40640, 48560, 52832, 63128, 66040, 77089, 77696, 78910, 81280, 97120, 105664, 126256, 132080, 154178, 155392, 157820, 162560, 194240, 211328, 252512, 264160, 308356, 315640, 385445, 388480, 422656, 505024, 528320, 616712, 631280, 770890, 776960, 1002157, 1010048, 1056640, 1233424, 1262560, 1541780, 2004314, 2020096, 2113280, 2466848, 2525120, 3083560, 4008628, 4933696, 5010785, 5050240, 6167120, 8017256, 9867392, 10021570, 10100480, 12334240, 16034512, 19734784, 20043140, 24668480, 32069024, 40086280, 49336960, 64138048, 80172560, 98673920, 128276096, 160345120, 256552192, 320690240, 641380480, 1282760960]

約数ペア:

[(1, 1282760960), (2, 641380480), (4, 320690240), (5, 256552192), (8, 160345120), (10, 128276096), (13, 98673920), (16, 80172560), (20, 64138048), (26, 49336960), (32, 40086280), (40, 32069024), (52, 24668480), (64, 20043140), (65, 19734784), (80, 16034512), (104, 12334240), (127, 10100480), (128, 10021570), (130, 9867392), (160, 8017256), (208, 6167120), (254, 5050240), (256, 5010785), (260, 4933696), (320, 4008628), (416, 3083560), (508, 2525120), (520, 2466848), (607, 2113280), (635, 2020096), (640, 2004314), (832, 1541780), (1016, 1262560), (1040, 1233424), (1214, 1056640), (1270, 1010048), (1280, 1002157), (1651, 776960), (1664, 770890), (2032, 631280), (2080, 616712), (2428, 528320), (2540, 505024), (3035, 422656), (3302, 388480), (3328, 385445), (4064, 315640), (4160, 308356), (4856, 264160), (5080, 252512), (6070, 211328), (6604, 194240), (7891, 162560), (8128, 157820), (8255, 155392), (8320, 154178), (9712, 132080), (10160, 126256), (12140, 105664), (13208, 97120), (15782, 81280), (16256, 78910), (16510, 77696), (16640, 77089), (19424, 66040), (20320, 63128), (24280, 52832), (26416, 48560), (31564, 40640), (32512, 39455), (33020, 38848)]