78668800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{439}}^1$

素因数の和:476

約数の個数: 132

約数和(自身を含む): 223368640

約数和(自身を除く): 144699840

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, 400, 439, 448, 512, 560, 640, 700, 800, 878, 896, 1024, 1120, 1280, 1400, 1600, 1756, 1792, 2195, 2240, 2560, 2800, 3073, 3200, 3512, 3584, 4390, 4480, 5120, 5600, 6146, 6400, 7024, 7168, 8780, 8960, 10975, 11200, 12292, 12800, 14048, 15365, 17560, 17920, 21950, 22400, 24584, 25600, 28096, 30730, 35120, 35840, 43900, 44800, 49168, 56192, 61460, 70240, 76825, 87800, 89600, 98336, 112384, 122920, 140480, 153650, 175600, 179200, 196672, 224768, 245840, 280960, 307300, 351200, 393344, 449536, 491680, 561920, 614600, 702400, 786688, 983360, 1123840, 1229200, 1404800, 1573376, 1966720, 2247680, 2458400, 2809600, 3146752, 3933440, 4916800, 5619200, 7866880, 9833600, 11238400, 15733760, 19667200, 39334400, 78668800]

約数ペア:

[(1, 78668800), (2, 39334400), (4, 19667200), (5, 15733760), (7, 11238400), (8, 9833600), (10, 7866880), (14, 5619200), (16, 4916800), (20, 3933440), (25, 3146752), (28, 2809600), (32, 2458400), (35, 2247680), (40, 1966720), (50, 1573376), (56, 1404800), (64, 1229200), (70, 1123840), (80, 983360), (100, 786688), (112, 702400), (128, 614600), (140, 561920), (160, 491680), (175, 449536), (200, 393344), (224, 351200), (256, 307300), (280, 280960), (320, 245840), (350, 224768), (400, 196672), (439, 179200), (448, 175600), (512, 153650), (560, 140480), (640, 122920), (700, 112384), (800, 98336), (878, 89600), (896, 87800), (1024, 76825), (1120, 70240), (1280, 61460), (1400, 56192), (1600, 49168), (1756, 44800), (1792, 43900), (2195, 35840), (2240, 35120), (2560, 30730), (2800, 28096), (3073, 25600), (3200, 24584), (3512, 22400), (3584, 21950), (4390, 17920), (4480, 17560), (5120, 15365), (5600, 14048), (6146, 12800), (6400, 12292), (7024, 11200), (7168, 10975), (8780, 8960)]