28510980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1499}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 80136000

約数和(自身を除く): 51625020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1499, 1585, 1902, 2998, 3170, 3804, 4497, 4755, 5996, 6340, 7495, 8994, 9510, 14990, 17988, 19020, 22485, 29980, 44970, 89940, 475183, 950366, 1425549, 1900732, 2375915, 2851098, 4751830, 5702196, 7127745, 9503660, 14255490, 28510980]

約数ペア:

[(1, 28510980), (2, 14255490), (3, 9503660), (4, 7127745), (5, 5702196), (6, 4751830), (10, 2851098), (12, 2375915), (15, 1900732), (20, 1425549), (30, 950366), (60, 475183), (317, 89940), (634, 44970), (951, 29980), (1268, 22485), (1499, 19020), (1585, 17988), (1902, 14990), (2998, 9510), (3170, 8994), (3804, 7495), (4497, 6340), (4755, 5996)]