12767624960

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{78541}}^1$

素因数の和:78689

約数の個数: 72

約数和(自身を含む): 30823650816

約数和(自身を除く): 18056025856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 32512, 40640, 78541, 81280, 157082, 162560, 314164, 392705, 628328, 785410, 1256656, 1570820, 2513312, 3141640, 5026624, 6283280, 9974707, 10053248, 12566560, 19949414, 20106496, 25133120, 39898828, 49873535, 50266240, 79797656, 99747070, 100532480, 159595312, 199494140, 319190624, 398988280, 638381248, 797976560, 1276762496, 1595953120, 2553524992, 3191906240, 6383812480, 12767624960]

約数ペア:

[(1, 12767624960), (2, 6383812480), (4, 3191906240), (5, 2553524992), (8, 1595953120), (10, 1276762496), (16, 797976560), (20, 638381248), (32, 398988280), (40, 319190624), (64, 199494140), (80, 159595312), (127, 100532480), (128, 99747070), (160, 79797656), (254, 50266240), (256, 49873535), (320, 39898828), (508, 25133120), (635, 20106496), (640, 19949414), (1016, 12566560), (1270, 10053248), (1280, 9974707), (2032, 6283280), (2540, 5026624), (4064, 3141640), (5080, 2513312), (8128, 1570820), (10160, 1256656), (16256, 785410), (20320, 628328), (32512, 392705), (40640, 314164), (78541, 162560), (81280, 157082)]