678538240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{132527}}^1$

素因数の和:132552

約数の個数: 44

約数和(自身を含む): 1627708896

約数和(自身を除く): 949170656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 132527, 265054, 530108, 662635, 1060216, 1325270, 2120432, 2650540, 4240864, 5301080, 8481728, 10602160, 16963456, 21204320, 33926912, 42408640, 67853824, 84817280, 135707648, 169634560, 339269120, 678538240]

約数ペア:

[(1, 678538240), (2, 339269120), (4, 169634560), (5, 135707648), (8, 84817280), (10, 67853824), (16, 42408640), (20, 33926912), (32, 21204320), (40, 16963456), (64, 10602160), (80, 8481728), (128, 5301080), (160, 4240864), (256, 2650540), (320, 2120432), (512, 1325270), (640, 1060216), (1024, 662635), (1280, 530108), (2560, 265054), (5120, 132527)]