1640603940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{635893}}^1$

素因数の和:635948

約数の個数: 48

約数和(自身を含む): 4700528448

約数和(自身を除く): 3059924508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 635893, 1271786, 1907679, 2543572, 3179465, 3815358, 6358930, 7630716, 9538395, 12717860, 19076790, 27343399, 38153580, 54686798, 82030197, 109373596, 136716995, 164060394, 273433990, 328120788, 410150985, 546867980, 820301970, 1640603940]

約数ペア:

[(1, 1640603940), (2, 820301970), (3, 546867980), (4, 410150985), (5, 328120788), (6, 273433990), (10, 164060394), (12, 136716995), (15, 109373596), (20, 82030197), (30, 54686798), (43, 38153580), (60, 27343399), (86, 19076790), (129, 12717860), (172, 9538395), (215, 7630716), (258, 6358930), (430, 3815358), (516, 3179465), (645, 2543572), (860, 1907679), (1290, 1271786), (2580, 635893)]