81391248

素因数分解:

$2^4\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1453}}^1$

素因数の和:1856

約数の個数: 60

約数和(自身を含む): 228525180

約数和(自身を除く): 147133932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 389, 778, 1167, 1453, 1556, 2334, 2906, 3112, 3501, 4359, 4668, 5812, 6224, 7002, 8718, 9336, 11624, 13077, 14004, 17436, 18672, 23248, 26154, 28008, 34872, 52308, 56016, 69744, 104616, 209232, 565217, 1130434, 1695651, 2260868, 3391302, 4521736, 5086953, 6782604, 9043472, 10173906, 13565208, 20347812, 27130416, 40695624, 81391248]

約数ペア:

[(1, 81391248), (2, 40695624), (3, 27130416), (4, 20347812), (6, 13565208), (8, 10173906), (9, 9043472), (12, 6782604), (16, 5086953), (18, 4521736), (24, 3391302), (36, 2260868), (48, 1695651), (72, 1130434), (144, 565217), (389, 209232), (778, 104616), (1167, 69744), (1453, 56016), (1556, 52308), (2334, 34872), (2906, 28008), (3112, 26154), (3501, 23248), (4359, 18672), (4668, 17436), (5812, 14004), (6224, 13077), (7002, 11624), (8718, 9336)]