1220800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{109}}^1$

素因数の和:138

約数の個数: 84

約数和(自身を含む): 3464560

約数和(自身を除く): 2243760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 109, 112, 140, 160, 175, 200, 218, 224, 280, 320, 350, 400, 436, 448, 545, 560, 700, 763, 800, 872, 1090, 1120, 1400, 1526, 1600, 1744, 2180, 2240, 2725, 2800, 3052, 3488, 3815, 4360, 5450, 5600, 6104, 6976, 7630, 8720, 10900, 11200, 12208, 15260, 17440, 19075, 21800, 24416, 30520, 34880, 38150, 43600, 48832, 61040, 76300, 87200, 122080, 152600, 174400, 244160, 305200, 610400, 1220800]

約数ペア:

[(1, 1220800), (2, 610400), (4, 305200), (5, 244160), (7, 174400), (8, 152600), (10, 122080), (14, 87200), (16, 76300), (20, 61040), (25, 48832), (28, 43600), (32, 38150), (35, 34880), (40, 30520), (50, 24416), (56, 21800), (64, 19075), (70, 17440), (80, 15260), (100, 12208), (109, 11200), (112, 10900), (140, 8720), (160, 7630), (175, 6976), (200, 6104), (218, 5600), (224, 5450), (280, 4360), (320, 3815), (350, 3488), (400, 3052), (436, 2800), (448, 2725), (545, 2240), (560, 2180), (700, 1744), (763, 1600), (800, 1526), (872, 1400), (1090, 1120)]