67146220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 145474560

約数和(自身を除く): 78328340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 479, 652, 815, 860, 958, 1630, 1916, 2395, 3260, 4790, 7009, 9580, 14018, 20597, 28036, 35045, 41194, 70090, 78077, 82388, 102985, 140180, 156154, 205970, 312308, 390385, 411940, 780770, 1561540, 3357311, 6714622, 13429244, 16786555, 33573110, 67146220]

約数ペア:

[(1, 67146220), (2, 33573110), (4, 16786555), (5, 13429244), (10, 6714622), (20, 3357311), (43, 1561540), (86, 780770), (163, 411940), (172, 390385), (215, 312308), (326, 205970), (430, 156154), (479, 140180), (652, 102985), (815, 82388), (860, 78077), (958, 70090), (1630, 41194), (1916, 35045), (2395, 28036), (3260, 20597), (4790, 14018), (7009, 9580)]