31137570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 81315000

約数和(自身を除く): 50177430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 277, 554, 831, 1249, 1385, 1662, 2493, 2498, 2770, 3747, 4155, 4986, 6245, 7494, 8310, 11241, 12465, 12490, 18735, 22482, 24930, 37470, 56205, 112410, 345973, 691946, 1037919, 1729865, 2075838, 3113757, 3459730, 5189595, 6227514, 10379190, 15568785, 31137570]

約数ペア:

[(1, 31137570), (2, 15568785), (3, 10379190), (5, 6227514), (6, 5189595), (9, 3459730), (10, 3113757), (15, 2075838), (18, 1729865), (30, 1037919), (45, 691946), (90, 345973), (277, 112410), (554, 56205), (831, 37470), (1249, 24930), (1385, 22482), (1662, 18735), (2493, 12490), (2498, 12465), (2770, 11241), (3747, 8310), (4155, 7494), (4986, 6245)]