161982816

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 437472000

約数和(自身を除く): 275489184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 139, 183, 199, 244, 278, 366, 398, 417, 488, 556, 597, 732, 796, 834, 976, 1112, 1194, 1464, 1592, 1668, 1952, 2224, 2388, 2928, 3184, 3336, 4448, 4776, 5856, 6368, 6672, 8479, 9552, 12139, 13344, 16958, 19104, 24278, 25437, 27661, 33916, 36417, 48556, 50874, 55322, 67832, 72834, 82983, 97112, 101748, 110644, 135664, 145668, 165966, 194224, 203496, 221288, 271328, 291336, 331932, 388448, 406992, 442576, 582672, 663864, 813984, 885152, 1165344, 1327728, 1687321, 2655456, 3374642, 5061963, 6749284, 10123926, 13498568, 20247852, 26997136, 40495704, 53994272, 80991408, 161982816]

約数ペア:

[(1, 161982816), (2, 80991408), (3, 53994272), (4, 40495704), (6, 26997136), (8, 20247852), (12, 13498568), (16, 10123926), (24, 6749284), (32, 5061963), (48, 3374642), (61, 2655456), (96, 1687321), (122, 1327728), (139, 1165344), (183, 885152), (199, 813984), (244, 663864), (278, 582672), (366, 442576), (398, 406992), (417, 388448), (488, 331932), (556, 291336), (597, 271328), (732, 221288), (796, 203496), (834, 194224), (976, 165966), (1112, 145668), (1194, 135664), (1464, 110644), (1592, 101748), (1668, 97112), (1952, 82983), (2224, 72834), (2388, 67832), (2928, 55322), (3184, 50874), (3336, 48556), (4448, 36417), (4776, 33916), (5856, 27661), (6368, 25437), (6672, 24278), (8479, 19104), (9552, 16958), (12139, 13344)]