15559140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 43807680

約数和(自身を除く): 28248540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1229, 1266, 2110, 2458, 2532, 3165, 3687, 4220, 4916, 6145, 6330, 7374, 12290, 12660, 14748, 18435, 24580, 36870, 73740, 259319, 518638, 777957, 1037276, 1296595, 1555914, 2593190, 3111828, 3889785, 5186380, 7779570, 15559140]

約数ペア:

[(1, 15559140), (2, 7779570), (3, 5186380), (4, 3889785), (5, 3111828), (6, 2593190), (10, 1555914), (12, 1296595), (15, 1037276), (20, 777957), (30, 518638), (60, 259319), (211, 73740), (422, 36870), (633, 24580), (844, 18435), (1055, 14748), (1229, 12660), (1266, 12290), (2110, 7374), (2458, 6330), (2532, 6145), (3165, 4916), (3687, 4220)]