213728640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{111317}}^1$

素因数の和:111339

約数の個数: 64

約数和(自身を含む): 681266160

約数和(自身を除く): 467537520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 111317, 222634, 333951, 445268, 556585, 667902, 890536, 1113170, 1335804, 1669755, 1781072, 2226340, 2671608, 3339510, 3562144, 4452680, 5343216, 6679020, 7124288, 8905360, 10686432, 13358040, 14248576, 17810720, 21372864, 26716080, 35621440, 42745728, 53432160, 71242880, 106864320, 213728640]

約数ペア:

[(1, 213728640), (2, 106864320), (3, 71242880), (4, 53432160), (5, 42745728), (6, 35621440), (8, 26716080), (10, 21372864), (12, 17810720), (15, 14248576), (16, 13358040), (20, 10686432), (24, 8905360), (30, 7124288), (32, 6679020), (40, 5343216), (48, 4452680), (60, 3562144), (64, 3339510), (80, 2671608), (96, 2226340), (120, 1781072), (128, 1669755), (160, 1335804), (192, 1113170), (240, 890536), (320, 667902), (384, 556585), (480, 445268), (640, 333951), (960, 222634), (1920, 111317)]