128530680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5437}}^1$

素因数の和:5648

約数の個数: 64

約数和(自身を含む): 387620640

約数和(自身を除く): 259089960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5437, 5910, 7880, 10874, 11820, 16311, 21748, 23640, 27185, 32622, 43496, 54370, 65244, 81555, 108740, 130488, 163110, 217480, 326220, 652440, 1071089, 2142178, 3213267, 4284356, 5355445, 6426534, 8568712, 10710890, 12853068, 16066335, 21421780, 25706136, 32132670, 42843560, 64265340, 128530680]

約数ペア:

[(1, 128530680), (2, 64265340), (3, 42843560), (4, 32132670), (5, 25706136), (6, 21421780), (8, 16066335), (10, 12853068), (12, 10710890), (15, 8568712), (20, 6426534), (24, 5355445), (30, 4284356), (40, 3213267), (60, 2142178), (120, 1071089), (197, 652440), (394, 326220), (591, 217480), (788, 163110), (985, 130488), (1182, 108740), (1576, 81555), (1970, 65244), (2364, 54370), (2955, 43496), (3940, 32622), (4728, 27185), (5437, 23640), (5910, 21748), (7880, 16311), (10874, 11820)]