81000816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 226652160

約数和(自身を除く): 145651344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 271, 312, 479, 542, 624, 813, 958, 1084, 1437, 1626, 1916, 2168, 2874, 3252, 3523, 3832, 4336, 5748, 6227, 6504, 7046, 7664, 10569, 11496, 12454, 13008, 14092, 18681, 21138, 22992, 24908, 28184, 37362, 42276, 49816, 56368, 74724, 84552, 99632, 129809, 149448, 169104, 259618, 298896, 389427, 519236, 778854, 1038472, 1557708, 1687517, 2076944, 3115416, 3375034, 5062551, 6230832, 6750068, 10125102, 13500136, 20250204, 27000272, 40500408, 81000816]

約数ペア:

[(1, 81000816), (2, 40500408), (3, 27000272), (4, 20250204), (6, 13500136), (8, 10125102), (12, 6750068), (13, 6230832), (16, 5062551), (24, 3375034), (26, 3115416), (39, 2076944), (48, 1687517), (52, 1557708), (78, 1038472), (104, 778854), (156, 519236), (208, 389427), (271, 298896), (312, 259618), (479, 169104), (542, 149448), (624, 129809), (813, 99632), (958, 84552), (1084, 74724), (1437, 56368), (1626, 49816), (1916, 42276), (2168, 37362), (2874, 28184), (3252, 24908), (3523, 22992), (3832, 21138), (4336, 18681), (5748, 14092), (6227, 13008), (6504, 12454), (7046, 11496), (7664, 10569)]