77484880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 197987328

約数和(自身を除く): 120502448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 461, 764, 880, 922, 955, 1528, 1844, 1910, 2101, 2305, 3056, 3688, 3820, 4202, 4610, 5071, 7376, 7640, 8404, 9220, 10142, 10505, 15280, 16808, 18440, 20284, 21010, 25355, 33616, 36880, 40568, 42020, 50710, 81136, 84040, 88051, 101420, 168080, 176102, 202840, 352204, 405680, 440255, 704408, 880510, 968561, 1408816, 1761020, 1937122, 3522040, 3874244, 4842805, 7044080, 7748488, 9685610, 15496976, 19371220, 38742440, 77484880]

約数ペア:

[(1, 77484880), (2, 38742440), (4, 19371220), (5, 15496976), (8, 9685610), (10, 7748488), (11, 7044080), (16, 4842805), (20, 3874244), (22, 3522040), (40, 1937122), (44, 1761020), (55, 1408816), (80, 968561), (88, 880510), (110, 704408), (176, 440255), (191, 405680), (220, 352204), (382, 202840), (440, 176102), (461, 168080), (764, 101420), (880, 88051), (922, 84040), (955, 81136), (1528, 50710), (1844, 42020), (1910, 40568), (2101, 36880), (2305, 33616), (3056, 25355), (3688, 21010), (3820, 20284), (4202, 18440), (4610, 16808), (5071, 15280), (7376, 10505), (7640, 10142), (8404, 9220)]