1976800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{353}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 5530896

約数和(自身を除く): 3554096

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, 353, 400, 560, 700, 706, 800, 1120, 1400, 1412, 1765, 2471, 2800, 2824, 3530, 4942, 5600, 5648, 7060, 8825, 9884, 11296, 12355, 14120, 17650, 19768, 24710, 28240, 35300, 39536, 49420, 56480, 61775, 70600, 79072, 98840, 123550, 141200, 197680, 247100, 282400, 395360, 494200, 988400, 1976800]

約数ペア:

[(1, 1976800), (2, 988400), (4, 494200), (5, 395360), (7, 282400), (8, 247100), (10, 197680), (14, 141200), (16, 123550), (20, 98840), (25, 79072), (28, 70600), (32, 61775), (35, 56480), (40, 49420), (50, 39536), (56, 35300), (70, 28240), (80, 24710), (100, 19768), (112, 17650), (140, 14120), (160, 12355), (175, 11296), (200, 9884), (224, 8825), (280, 7060), (350, 5648), (353, 5600), (400, 4942), (560, 3530), (700, 2824), (706, 2800), (800, 2471), (1120, 1765), (1400, 1412)]