72729440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64937}}^1$

素因数の和:64959

約数の個数: 48

約数和(自身を含む): 196372512

約数和(自身を除く): 123643072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64937, 129874, 259748, 324685, 454559, 519496, 649370, 909118, 1038992, 1298740, 1818236, 2077984, 2272795, 2597480, 3636472, 4545590, 5194960, 7272944, 9091180, 10389920, 14545888, 18182360, 36364720, 72729440]

約数ペア:

[(1, 72729440), (2, 36364720), (4, 18182360), (5, 14545888), (7, 10389920), (8, 9091180), (10, 7272944), (14, 5194960), (16, 4545590), (20, 3636472), (28, 2597480), (32, 2272795), (35, 2077984), (40, 1818236), (56, 1298740), (70, 1038992), (80, 909118), (112, 649370), (140, 519496), (160, 454559), (224, 324685), (280, 259748), (560, 129874), (1120, 64937)]