80718984

素因数分解:

$2^3\times 3^3\times {\mathrm{331}}^1\times {\mathrm{1129}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 225096000

約数和(自身を除く): 144377016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 331, 662, 993, 1129, 1324, 1986, 2258, 2648, 2979, 3387, 3972, 4516, 5958, 6774, 7944, 8937, 9032, 10161, 11916, 13548, 17874, 20322, 23832, 27096, 30483, 35748, 40644, 60966, 71496, 81288, 121932, 243864, 373699, 747398, 1121097, 1494796, 2242194, 2989592, 3363291, 4484388, 6726582, 8968776, 10089873, 13453164, 20179746, 26906328, 40359492, 80718984]

約数ペア:

[(1, 80718984), (2, 40359492), (3, 26906328), (4, 20179746), (6, 13453164), (8, 10089873), (9, 8968776), (12, 6726582), (18, 4484388), (24, 3363291), (27, 2989592), (36, 2242194), (54, 1494796), (72, 1121097), (108, 747398), (216, 373699), (331, 243864), (662, 121932), (993, 81288), (1129, 71496), (1324, 60966), (1986, 40644), (2258, 35748), (2648, 30483), (2979, 27096), (3387, 23832), (3972, 20322), (4516, 17874), (5958, 13548), (6774, 11916), (7944, 10161), (8937, 9032)]