31988820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1237}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 89849088

約数和(自身を除く): 57860268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 862, 1237, 1293, 1724, 2155, 2474, 2586, 3711, 4310, 4948, 5172, 6185, 6465, 7422, 8620, 12370, 12930, 14844, 18555, 24740, 25860, 37110, 74220, 533147, 1066294, 1599441, 2132588, 2665735, 3198882, 5331470, 6397764, 7997205, 10662940, 15994410, 31988820]

約数ペア:

[(1, 31988820), (2, 15994410), (3, 10662940), (4, 7997205), (5, 6397764), (6, 5331470), (10, 3198882), (12, 2665735), (15, 2132588), (20, 1599441), (30, 1066294), (60, 533147), (431, 74220), (862, 37110), (1237, 25860), (1293, 24740), (1724, 18555), (2155, 14844), (2474, 12930), (2586, 12370), (3711, 8620), (4310, 7422), (4948, 6465), (5172, 6185)]