123755616

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{997}}^1$

素因数の和:1444

約数の個数: 72

約数和(自身を含む): 353100384

約数和(自身を除く): 229344768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 862, 997, 1293, 1724, 1994, 2586, 2991, 3448, 3879, 3988, 5172, 5982, 6896, 7758, 7976, 8973, 10344, 11964, 13792, 15516, 15952, 17946, 20688, 23928, 31032, 31904, 35892, 41376, 47856, 62064, 71784, 95712, 124128, 143568, 287136, 429707, 859414, 1289121, 1718828, 2578242, 3437656, 3867363, 5156484, 6875312, 7734726, 10312968, 13750624, 15469452, 20625936, 30938904, 41251872, 61877808, 123755616]

約数ペア:

[(1, 123755616), (2, 61877808), (3, 41251872), (4, 30938904), (6, 20625936), (8, 15469452), (9, 13750624), (12, 10312968), (16, 7734726), (18, 6875312), (24, 5156484), (32, 3867363), (36, 3437656), (48, 2578242), (72, 1718828), (96, 1289121), (144, 859414), (288, 429707), (431, 287136), (862, 143568), (997, 124128), (1293, 95712), (1724, 71784), (1994, 62064), (2586, 47856), (2991, 41376), (3448, 35892), (3879, 31904), (3988, 31032), (5172, 23928), (5982, 20688), (6896, 17946), (7758, 15952), (7976, 15516), (8973, 13792), (10344, 11964)]