131475520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 350251776

約数和(自身を除く): 218776256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 205, 220, 320, 328, 352, 410, 440, 451, 656, 704, 820, 880, 902, 911, 1312, 1640, 1760, 1804, 1822, 2255, 2624, 3280, 3520, 3608, 3644, 4510, 4555, 6560, 7216, 7288, 9020, 9110, 10021, 13120, 14432, 14576, 18040, 18220, 20042, 28864, 29152, 36080, 36440, 37351, 40084, 50105, 58304, 72160, 72880, 74702, 80168, 100210, 144320, 145760, 149404, 160336, 186755, 200420, 291520, 298808, 320672, 373510, 400840, 410861, 597616, 641344, 747020, 801680, 821722, 1195232, 1494040, 1603360, 1643444, 2054305, 2390464, 2988080, 3206720, 3286888, 4108610, 5976160, 6573776, 8217220, 11952320, 13147552, 16434440, 26295104, 32868880, 65737760, 131475520]

約数ペア:

[(1, 131475520), (2, 65737760), (4, 32868880), (5, 26295104), (8, 16434440), (10, 13147552), (11, 11952320), (16, 8217220), (20, 6573776), (22, 5976160), (32, 4108610), (40, 3286888), (41, 3206720), (44, 2988080), (55, 2390464), (64, 2054305), (80, 1643444), (82, 1603360), (88, 1494040), (110, 1195232), (160, 821722), (164, 801680), (176, 747020), (205, 641344), (220, 597616), (320, 410861), (328, 400840), (352, 373510), (410, 320672), (440, 298808), (451, 291520), (656, 200420), (704, 186755), (820, 160336), (880, 149404), (902, 145760), (911, 144320), (1312, 100210), (1640, 80168), (1760, 74702), (1804, 72880), (1822, 72160), (2255, 58304), (2624, 50105), (3280, 40084), (3520, 37351), (3608, 36440), (3644, 36080), (4510, 29152), (4555, 28864), (6560, 20042), (7216, 18220), (7288, 18040), (9020, 14576), (9110, 14432), (10021, 13120)]