56985880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 147271680

約数和(自身を除く): 90285800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 751, 1084, 1355, 1502, 1897, 2168, 2710, 3004, 3755, 3794, 5257, 5420, 6008, 7510, 7588, 9485, 10514, 10840, 15020, 15176, 18970, 21028, 26285, 30040, 37940, 42056, 52570, 75880, 105140, 203521, 210280, 407042, 814084, 1017605, 1424647, 1628168, 2035210, 2849294, 4070420, 5698588, 7123235, 8140840, 11397176, 14246470, 28492940, 56985880]

約数ペア:

[(1, 56985880), (2, 28492940), (4, 14246470), (5, 11397176), (7, 8140840), (8, 7123235), (10, 5698588), (14, 4070420), (20, 2849294), (28, 2035210), (35, 1628168), (40, 1424647), (56, 1017605), (70, 814084), (140, 407042), (271, 210280), (280, 203521), (542, 105140), (751, 75880), (1084, 52570), (1355, 42056), (1502, 37940), (1897, 30040), (2168, 26285), (2710, 21028), (3004, 18970), (3755, 15176), (3794, 15020), (5257, 10840), (5420, 10514), (6008, 9485), (7510, 7588)]