209028240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290317}}^1$

素因数の和:290336

約数の個数: 60

約数和(自身を含む): 701988924

約数和(自身を除く): 492960684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290317, 580634, 870951, 1161268, 1451585, 1741902, 2322536, 2612853, 2903170, 3483804, 4354755, 4645072, 5225706, 5806340, 6967608, 8709510, 10451412, 11612680, 13064265, 13935216, 17419020, 20902824, 23225360, 26128530, 34838040, 41805648, 52257060, 69676080, 104514120, 209028240]

約数ペア:

[(1, 209028240), (2, 104514120), (3, 69676080), (4, 52257060), (5, 41805648), (6, 34838040), (8, 26128530), (9, 23225360), (10, 20902824), (12, 17419020), (15, 13935216), (16, 13064265), (18, 11612680), (20, 10451412), (24, 8709510), (30, 6967608), (36, 5806340), (40, 5225706), (45, 4645072), (48, 4354755), (60, 3483804), (72, 2903170), (80, 2612853), (90, 2322536), (120, 1741902), (144, 1451585), (180, 1161268), (240, 870951), (360, 580634), (720, 290317)]