81640920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680341}}^1$

素因数の和:680355

約数の個数: 32

約数和(自身を含む): 244923120

約数和(自身を除く): 163282200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680341, 1360682, 2041023, 2721364, 3401705, 4082046, 5442728, 6803410, 8164092, 10205115, 13606820, 16328184, 20410230, 27213640, 40820460, 81640920]

約数ペア:

[(1, 81640920), (2, 40820460), (3, 27213640), (4, 20410230), (5, 16328184), (6, 13606820), (8, 10205115), (10, 8164092), (12, 6803410), (15, 5442728), (20, 4082046), (24, 3401705), (30, 2721364), (40, 2041023), (60, 1360682), (120, 680341)]