31628800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{353}}^1$

素因数の和:388

約数の個数: 120

約数和(自身を含む): 89811216

約数和(自身を除く): 58182416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 353, 400, 448, 512, 560, 640, 700, 706, 800, 896, 1120, 1280, 1400, 1412, 1600, 1765, 1792, 2240, 2471, 2560, 2800, 2824, 3200, 3530, 3584, 4480, 4942, 5600, 5648, 6400, 7060, 8825, 8960, 9884, 11200, 11296, 12355, 12800, 14120, 17650, 17920, 19768, 22400, 22592, 24710, 28240, 35300, 39536, 44800, 45184, 49420, 56480, 61775, 70600, 79072, 89600, 90368, 98840, 112960, 123550, 141200, 158144, 180736, 197680, 225920, 247100, 282400, 316288, 395360, 451840, 494200, 564800, 632576, 790720, 903680, 988400, 1129600, 1265152, 1581440, 1976800, 2259200, 3162880, 3953600, 4518400, 6325760, 7907200, 15814400, 31628800]

約数ペア:

[(1, 31628800), (2, 15814400), (4, 7907200), (5, 6325760), (7, 4518400), (8, 3953600), (10, 3162880), (14, 2259200), (16, 1976800), (20, 1581440), (25, 1265152), (28, 1129600), (32, 988400), (35, 903680), (40, 790720), (50, 632576), (56, 564800), (64, 494200), (70, 451840), (80, 395360), (100, 316288), (112, 282400), (128, 247100), (140, 225920), (160, 197680), (175, 180736), (200, 158144), (224, 141200), (256, 123550), (280, 112960), (320, 98840), (350, 90368), (353, 89600), (400, 79072), (448, 70600), (512, 61775), (560, 56480), (640, 49420), (700, 45184), (706, 44800), (800, 39536), (896, 35300), (1120, 28240), (1280, 24710), (1400, 22592), (1412, 22400), (1600, 19768), (1765, 17920), (1792, 17650), (2240, 14120), (2471, 12800), (2560, 12355), (2800, 11296), (2824, 11200), (3200, 9884), (3530, 8960), (3584, 8825), (4480, 7060), (4942, 6400), (5600, 5648)]