1023620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2408448

約数和(自身を除く): 1384828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 127, 130, 155, 254, 260, 310, 403, 508, 620, 635, 806, 1270, 1612, 1651, 2015, 2540, 3302, 3937, 4030, 6604, 7874, 8060, 8255, 15748, 16510, 19685, 33020, 39370, 51181, 78740, 102362, 204724, 255905, 511810, 1023620]

約数ペア:

[(1, 1023620), (2, 511810), (4, 255905), (5, 204724), (10, 102362), (13, 78740), (20, 51181), (26, 39370), (31, 33020), (52, 19685), (62, 16510), (65, 15748), (124, 8255), (127, 8060), (130, 7874), (155, 6604), (254, 4030), (260, 3937), (310, 3302), (403, 2540), (508, 2015), (620, 1651), (635, 1612), (806, 1270)]