67916800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 132

約数和(自身を含む): 192909280

約数和(自身を除く): 124992480

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, 379, 400, 448, 512, 560, 640, 700, 758, 800, 896, 1024, 1120, 1280, 1400, 1516, 1600, 1792, 1895, 2240, 2560, 2653, 2800, 3032, 3200, 3584, 3790, 4480, 5120, 5306, 5600, 6064, 6400, 7168, 7580, 8960, 9475, 10612, 11200, 12128, 12800, 13265, 15160, 17920, 18950, 21224, 22400, 24256, 25600, 26530, 30320, 35840, 37900, 42448, 44800, 48512, 53060, 60640, 66325, 75800, 84896, 89600, 97024, 106120, 121280, 132650, 151600, 169792, 179200, 194048, 212240, 242560, 265300, 303200, 339584, 388096, 424480, 485120, 530600, 606400, 679168, 848960, 970240, 1061200, 1212800, 1358336, 1697920, 1940480, 2122400, 2425600, 2716672, 3395840, 4244800, 4851200, 6791680, 8489600, 9702400, 13583360, 16979200, 33958400, 67916800]

約数ペア:

[(1, 67916800), (2, 33958400), (4, 16979200), (5, 13583360), (7, 9702400), (8, 8489600), (10, 6791680), (14, 4851200), (16, 4244800), (20, 3395840), (25, 2716672), (28, 2425600), (32, 2122400), (35, 1940480), (40, 1697920), (50, 1358336), (56, 1212800), (64, 1061200), (70, 970240), (80, 848960), (100, 679168), (112, 606400), (128, 530600), (140, 485120), (160, 424480), (175, 388096), (200, 339584), (224, 303200), (256, 265300), (280, 242560), (320, 212240), (350, 194048), (379, 179200), (400, 169792), (448, 151600), (512, 132650), (560, 121280), (640, 106120), (700, 97024), (758, 89600), (800, 84896), (896, 75800), (1024, 66325), (1120, 60640), (1280, 53060), (1400, 48512), (1516, 44800), (1600, 42448), (1792, 37900), (1895, 35840), (2240, 30320), (2560, 26530), (2653, 25600), (2800, 24256), (3032, 22400), (3200, 21224), (3584, 18950), (3790, 17920), (4480, 15160), (5120, 13265), (5306, 12800), (5600, 12128), (6064, 11200), (6400, 10612), (7168, 9475), (7580, 8960)]