320615748

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{20287}}^1$

素因数の和:20736

約数の個数: 36

約数和(自身を含む): 812331520

約数和(自身を除く): 491715772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 15804, 20287, 40574, 60861, 81148, 121722, 182583, 243444, 365166, 730332, 8905993, 17811986, 26717979, 35623972, 53435958, 80153937, 106871916, 160307874, 320615748]

約数ペア:

[(1, 320615748), (2, 160307874), (3, 106871916), (4, 80153937), (6, 53435958), (9, 35623972), (12, 26717979), (18, 17811986), (36, 8905993), (439, 730332), (878, 365166), (1317, 243444), (1756, 182583), (2634, 121722), (3951, 81148), (5268, 60861), (7902, 40574), (15804, 20287)]