641730560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2217

約数の個数: 96

約数和(自身を含む): 1593610200

約数和(自身を除く): 951879640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1856, 2048, 2161, 2320, 2560, 3712, 4322, 4640, 5120, 7424, 8644, 9280, 10240, 10805, 14848, 17288, 18560, 21610, 29696, 34576, 37120, 43220, 59392, 62669, 69152, 74240, 86440, 125338, 138304, 148480, 172880, 250676, 276608, 296960, 313345, 345760, 501352, 553216, 626690, 691520, 1002704, 1106432, 1253380, 1383040, 2005408, 2212864, 2506760, 2766080, 4010816, 4425728, 5013520, 5532160, 8021632, 10027040, 11064320, 16043264, 20054080, 22128640, 32086528, 40108160, 64173056, 80216320, 128346112, 160432640, 320865280, 641730560]

約数ペア:

[(1, 641730560), (2, 320865280), (4, 160432640), (5, 128346112), (8, 80216320), (10, 64173056), (16, 40108160), (20, 32086528), (29, 22128640), (32, 20054080), (40, 16043264), (58, 11064320), (64, 10027040), (80, 8021632), (116, 5532160), (128, 5013520), (145, 4425728), (160, 4010816), (232, 2766080), (256, 2506760), (290, 2212864), (320, 2005408), (464, 1383040), (512, 1253380), (580, 1106432), (640, 1002704), (928, 691520), (1024, 626690), (1160, 553216), (1280, 501352), (1856, 345760), (2048, 313345), (2161, 296960), (2320, 276608), (2560, 250676), (3712, 172880), (4322, 148480), (4640, 138304), (5120, 125338), (7424, 86440), (8644, 74240), (9280, 69152), (10240, 62669), (10805, 59392), (14848, 43220), (17288, 37120), (18560, 34576), (21610, 29696)]