178572800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 120

約数和(自身を含む): 505885776

約数和(自身を除く): 327312976

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, 448, 512, 560, 640, 700, 800, 896, 1120, 1280, 1400, 1600, 1792, 1993, 2240, 2560, 2800, 3200, 3584, 3986, 4480, 5600, 6400, 7972, 8960, 9965, 11200, 12800, 13951, 15944, 17920, 19930, 22400, 27902, 31888, 39860, 44800, 49825, 55804, 63776, 69755, 79720, 89600, 99650, 111608, 127552, 139510, 159440, 199300, 223216, 255104, 279020, 318880, 348775, 398600, 446432, 510208, 558040, 637760, 697550, 797200, 892864, 1020416, 1116080, 1275520, 1395100, 1594400, 1785728, 2232160, 2551040, 2790200, 3188800, 3571456, 4464320, 5102080, 5580400, 6377600, 7142912, 8928640, 11160800, 12755200, 17857280, 22321600, 25510400, 35714560, 44643200, 89286400, 178572800]

約数ペア:

[(1, 178572800), (2, 89286400), (4, 44643200), (5, 35714560), (7, 25510400), (8, 22321600), (10, 17857280), (14, 12755200), (16, 11160800), (20, 8928640), (25, 7142912), (28, 6377600), (32, 5580400), (35, 5102080), (40, 4464320), (50, 3571456), (56, 3188800), (64, 2790200), (70, 2551040), (80, 2232160), (100, 1785728), (112, 1594400), (128, 1395100), (140, 1275520), (160, 1116080), (175, 1020416), (200, 892864), (224, 797200), (256, 697550), (280, 637760), (320, 558040), (350, 510208), (400, 446432), (448, 398600), (512, 348775), (560, 318880), (640, 279020), (700, 255104), (800, 223216), (896, 199300), (1120, 159440), (1280, 139510), (1400, 127552), (1600, 111608), (1792, 99650), (1993, 89600), (2240, 79720), (2560, 69755), (2800, 63776), (3200, 55804), (3584, 49825), (3986, 44800), (4480, 39860), (5600, 31888), (6400, 27902), (7972, 22400), (8960, 19930), (9965, 17920), (11200, 15944), (12800, 13951)]