6643120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7549}}^1$

素因数の和:7573

約数の個数: 40

約数和(自身を含む): 16851600

約数和(自身を除く): 10208480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 7549, 15098, 30196, 37745, 60392, 75490, 83039, 120784, 150980, 166078, 301960, 332156, 415195, 603920, 664312, 830390, 1328624, 1660780, 3321560, 6643120]

約数ペア:

[(1, 6643120), (2, 3321560), (4, 1660780), (5, 1328624), (8, 830390), (10, 664312), (11, 603920), (16, 415195), (20, 332156), (22, 301960), (40, 166078), (44, 150980), (55, 120784), (80, 83039), (88, 75490), (110, 60392), (176, 37745), (220, 30196), (440, 15098), (880, 7549)]