6443940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 18164160

約数和(自身を除く): 11720220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 509, 633, 844, 1018, 1055, 1266, 1527, 2036, 2110, 2532, 2545, 3054, 3165, 4220, 5090, 6108, 6330, 7635, 10180, 12660, 15270, 30540, 107399, 214798, 322197, 429596, 536995, 644394, 1073990, 1288788, 1610985, 2147980, 3221970, 6443940]

約数ペア:

[(1, 6443940), (2, 3221970), (3, 2147980), (4, 1610985), (5, 1288788), (6, 1073990), (10, 644394), (12, 536995), (15, 429596), (20, 322197), (30, 214798), (60, 107399), (211, 30540), (422, 15270), (509, 12660), (633, 10180), (844, 7635), (1018, 6330), (1055, 6108), (1266, 5090), (1527, 4220), (2036, 3165), (2110, 3054), (2532, 2545)]