20150730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 52723944

約数和(自身を除く): 32573214

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1237, 1629, 1810, 2474, 2715, 3258, 3711, 5430, 6185, 7422, 8145, 11133, 12370, 16290, 18555, 22266, 37110, 55665, 111330, 223897, 447794, 671691, 1119485, 1343382, 2015073, 2238970, 3358455, 4030146, 6716910, 10075365, 20150730]

約数ペア:

[(1, 20150730), (2, 10075365), (3, 6716910), (5, 4030146), (6, 3358455), (9, 2238970), (10, 2015073), (15, 1343382), (18, 1119485), (30, 671691), (45, 447794), (90, 223897), (181, 111330), (362, 55665), (543, 37110), (905, 22266), (1086, 18555), (1237, 16290), (1629, 12370), (1810, 11133), (2474, 8145), (2715, 7422), (3258, 6185), (3711, 5430)]