221185920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{115201}}^1$

素因数の和:115223

約数の個数: 64

約数和(自身を含む): 705036240

約数和(自身を除く): 483850320

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, 115201, 230402, 345603, 460804, 576005, 691206, 921608, 1152010, 1382412, 1728015, 1843216, 2304020, 2764824, 3456030, 3686432, 4608040, 5529648, 6912060, 7372864, 9216080, 11059296, 13824120, 14745728, 18432160, 22118592, 27648240, 36864320, 44237184, 55296480, 73728640, 110592960, 221185920]

約数ペア:

[(1, 221185920), (2, 110592960), (3, 73728640), (4, 55296480), (5, 44237184), (6, 36864320), (8, 27648240), (10, 22118592), (12, 18432160), (15, 14745728), (16, 13824120), (20, 11059296), (24, 9216080), (30, 7372864), (32, 6912060), (40, 5529648), (48, 4608040), (60, 3686432), (64, 3456030), (80, 2764824), (96, 2304020), (120, 1843216), (128, 1728015), (160, 1382412), (192, 1152010), (240, 921608), (320, 691206), (384, 576005), (480, 460804), (640, 345603), (960, 230402), (1920, 115201)]