12728800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2300

約数の個数: 72

約数和(自身を含む): 35528976

約数和(自身を除く): 22800176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2273, 2800, 4546, 5600, 9092, 11365, 15911, 18184, 22730, 31822, 36368, 45460, 56825, 63644, 72736, 79555, 90920, 113650, 127288, 159110, 181840, 227300, 254576, 318220, 363680, 397775, 454600, 509152, 636440, 795550, 909200, 1272880, 1591100, 1818400, 2545760, 3182200, 6364400, 12728800]

約数ペア:

[(1, 12728800), (2, 6364400), (4, 3182200), (5, 2545760), (7, 1818400), (8, 1591100), (10, 1272880), (14, 909200), (16, 795550), (20, 636440), (25, 509152), (28, 454600), (32, 397775), (35, 363680), (40, 318220), (50, 254576), (56, 227300), (70, 181840), (80, 159110), (100, 127288), (112, 113650), (140, 90920), (160, 79555), (175, 72736), (200, 63644), (224, 56825), (280, 45460), (350, 36368), (400, 31822), (560, 22730), (700, 18184), (800, 15911), (1120, 11365), (1400, 9092), (2273, 5600), (2800, 4546)]