1531506820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1\times {\mathrm{2381}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 3331465200

約数和(自身を除く): 1799958380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1109, 2218, 2381, 4436, 4762, 5545, 9524, 11090, 11905, 22180, 23810, 32161, 47620, 64322, 69049, 128644, 138098, 160805, 276196, 321610, 345245, 643220, 690490, 1380980, 2640529, 5281058, 10562116, 13202645, 26405290, 52810580, 76575341, 153150682, 306301364, 382876705, 765753410, 1531506820]

約数ペア:

[(1, 1531506820), (2, 765753410), (4, 382876705), (5, 306301364), (10, 153150682), (20, 76575341), (29, 52810580), (58, 26405290), (116, 13202645), (145, 10562116), (290, 5281058), (580, 2640529), (1109, 1380980), (2218, 690490), (2381, 643220), (4436, 345245), (4762, 321610), (5545, 276196), (9524, 160805), (11090, 138098), (11905, 128644), (22180, 69049), (23810, 64322), (32161, 47620)]