160026680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{991}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 394260480

約数和(自身を除く): 234233800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 734, 991, 1468, 1835, 1982, 2936, 3670, 3964, 4037, 4955, 7340, 7928, 8074, 9910, 10901, 14680, 16148, 19820, 20185, 21802, 32296, 39640, 40370, 43604, 54505, 80740, 87208, 109010, 161480, 218020, 363697, 436040, 727394, 1454788, 1818485, 2909576, 3636970, 4000667, 7273940, 8001334, 14547880, 16002668, 20003335, 32005336, 40006670, 80013340, 160026680]

約数ペア:

[(1, 160026680), (2, 80013340), (4, 40006670), (5, 32005336), (8, 20003335), (10, 16002668), (11, 14547880), (20, 8001334), (22, 7273940), (40, 4000667), (44, 3636970), (55, 2909576), (88, 1818485), (110, 1454788), (220, 727394), (367, 436040), (440, 363697), (734, 218020), (991, 161480), (1468, 109010), (1835, 87208), (1982, 80740), (2936, 54505), (3670, 43604), (3964, 40370), (4037, 39640), (4955, 32296), (7340, 21802), (7928, 20185), (8074, 19820), (9910, 16148), (10901, 14680)]