8490120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 25704000

約数和(自身を除く): 17213880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 509, 556, 695, 834, 1018, 1112, 1390, 1527, 1668, 2036, 2085, 2545, 2780, 3054, 3336, 4072, 4170, 5090, 5560, 6108, 7635, 8340, 10180, 12216, 15270, 16680, 20360, 30540, 61080, 70751, 141502, 212253, 283004, 353755, 424506, 566008, 707510, 849012, 1061265, 1415020, 1698024, 2122530, 2830040, 4245060, 8490120]

約数ペア:

[(1, 8490120), (2, 4245060), (3, 2830040), (4, 2122530), (5, 1698024), (6, 1415020), (8, 1061265), (10, 849012), (12, 707510), (15, 566008), (20, 424506), (24, 353755), (30, 283004), (40, 212253), (60, 141502), (120, 70751), (139, 61080), (278, 30540), (417, 20360), (509, 16680), (556, 15270), (695, 12216), (834, 10180), (1018, 8340), (1112, 7635), (1390, 6108), (1527, 5560), (1668, 5090), (2036, 4170), (2085, 4072), (2545, 3336), (2780, 3054)]