19942800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{16619}}^1$

素因数の和:16640

約数の個数: 60

約数和(自身を含む): 63887280

約数和(自身を除く): 43944480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 16619, 33238, 49857, 66476, 83095, 99714, 132952, 166190, 199428, 249285, 265904, 332380, 398856, 415475, 498570, 664760, 797712, 830950, 997140, 1246425, 1329520, 1661900, 1994280, 2492850, 3323800, 3988560, 4985700, 6647600, 9971400, 19942800]

約数ペア:

[(1, 19942800), (2, 9971400), (3, 6647600), (4, 4985700), (5, 3988560), (6, 3323800), (8, 2492850), (10, 1994280), (12, 1661900), (15, 1329520), (16, 1246425), (20, 997140), (24, 830950), (25, 797712), (30, 664760), (40, 498570), (48, 415475), (50, 398856), (60, 332380), (75, 265904), (80, 249285), (100, 199428), (120, 166190), (150, 132952), (200, 99714), (240, 83095), (300, 66476), (400, 49857), (600, 33238), (1200, 16619)]