1293721600

素因数分解:

$2^{13}\times 5^2\times {\mathrm{6317}}^1$

素因数の和:6353

約数の個数: 84

約数和(自身を含む): 3208741614

約数和(自身を除く): 1915020014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4096, 5120, 6317, 6400, 8192, 10240, 12634, 12800, 20480, 25268, 25600, 31585, 40960, 50536, 51200, 63170, 101072, 102400, 126340, 157925, 202144, 204800, 252680, 315850, 404288, 505360, 631700, 808576, 1010720, 1263400, 1617152, 2021440, 2526800, 3234304, 4042880, 5053600, 6468608, 8085760, 10107200, 12937216, 16171520, 20214400, 25874432, 32343040, 40428800, 51748864, 64686080, 80857600, 129372160, 161715200, 258744320, 323430400, 646860800, 1293721600]

約数ペア:

[(1, 1293721600), (2, 646860800), (4, 323430400), (5, 258744320), (8, 161715200), (10, 129372160), (16, 80857600), (20, 64686080), (25, 51748864), (32, 40428800), (40, 32343040), (50, 25874432), (64, 20214400), (80, 16171520), (100, 12937216), (128, 10107200), (160, 8085760), (200, 6468608), (256, 5053600), (320, 4042880), (400, 3234304), (512, 2526800), (640, 2021440), (800, 1617152), (1024, 1263400), (1280, 1010720), (1600, 808576), (2048, 631700), (2560, 505360), (3200, 404288), (4096, 315850), (5120, 252680), (6317, 204800), (6400, 202144), (8192, 157925), (10240, 126340), (12634, 102400), (12800, 101072), (20480, 63170), (25268, 51200), (25600, 50536), (31585, 40960)]