17980920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{16649}}^1$

素因数の和:16669

約数の個数: 64

約数和(自身を含む): 59940000

約数和(自身を除く): 41959080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 16649, 33298, 49947, 66596, 83245, 99894, 133192, 149841, 166490, 199788, 249735, 299682, 332980, 399576, 449523, 499470, 599364, 665960, 749205, 899046, 998940, 1198728, 1498410, 1798092, 1997880, 2247615, 2996820, 3596184, 4495230, 5993640, 8990460, 17980920]

約数ペア:

[(1, 17980920), (2, 8990460), (3, 5993640), (4, 4495230), (5, 3596184), (6, 2996820), (8, 2247615), (9, 1997880), (10, 1798092), (12, 1498410), (15, 1198728), (18, 998940), (20, 899046), (24, 749205), (27, 665960), (30, 599364), (36, 499470), (40, 449523), (45, 399576), (54, 332980), (60, 299682), (72, 249735), (90, 199788), (108, 166490), (120, 149841), (135, 133192), (180, 99894), (216, 83245), (270, 66596), (360, 49947), (540, 33298), (1080, 16649)]