1609620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 4562880

約数和(自身を除く): 2953260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 193, 278, 386, 417, 556, 579, 695, 772, 834, 965, 1158, 1390, 1668, 1930, 2085, 2316, 2780, 2895, 3860, 4170, 5790, 8340, 11580, 26827, 53654, 80481, 107308, 134135, 160962, 268270, 321924, 402405, 536540, 804810, 1609620]

約数ペア:

[(1, 1609620), (2, 804810), (3, 536540), (4, 402405), (5, 321924), (6, 268270), (10, 160962), (12, 134135), (15, 107308), (20, 80481), (30, 53654), (60, 26827), (139, 11580), (193, 8340), (278, 5790), (386, 4170), (417, 3860), (556, 2895), (579, 2780), (695, 2316), (772, 2085), (834, 1930), (965, 1668), (1158, 1390)]