80991408

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 215264000

約数和(自身を除く): 134272592

約数列:

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

約数ペア:

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