213975680

素因数分解:

$2^7\times 5^1\times {\mathrm{367}}^1\times {\mathrm{911}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 513492480

約数和(自身を除く): 299516800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 367, 640, 734, 911, 1468, 1822, 1835, 2936, 3644, 3670, 4555, 5872, 7288, 7340, 9110, 11744, 14576, 14680, 18220, 23488, 29152, 29360, 36440, 46976, 58304, 58720, 72880, 116608, 117440, 145760, 234880, 291520, 334337, 583040, 668674, 1337348, 1671685, 2674696, 3343370, 5349392, 6686740, 10698784, 13373480, 21397568, 26746960, 42795136, 53493920, 106987840, 213975680]

約数ペア:

[(1, 213975680), (2, 106987840), (4, 53493920), (5, 42795136), (8, 26746960), (10, 21397568), (16, 13373480), (20, 10698784), (32, 6686740), (40, 5349392), (64, 3343370), (80, 2674696), (128, 1671685), (160, 1337348), (320, 668674), (367, 583040), (640, 334337), (734, 291520), (911, 234880), (1468, 145760), (1822, 117440), (1835, 116608), (2936, 72880), (3644, 58720), (3670, 58304), (4555, 46976), (5872, 36440), (7288, 29360), (7340, 29152), (9110, 23488), (11744, 18220), (14576, 14680)]