81453720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3517}}^1$

素因数の和:3724

約数の個数: 64

約数和(自身を含む): 245697120

約数和(自身を除く): 164243400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 965, 1158, 1544, 1930, 2316, 2895, 3517, 3860, 4632, 5790, 7034, 7720, 10551, 11580, 14068, 17585, 21102, 23160, 28136, 35170, 42204, 52755, 70340, 84408, 105510, 140680, 211020, 422040, 678781, 1357562, 2036343, 2715124, 3393905, 4072686, 5430248, 6787810, 8145372, 10181715, 13575620, 16290744, 20363430, 27151240, 40726860, 81453720]

約数ペア:

[(1, 81453720), (2, 40726860), (3, 27151240), (4, 20363430), (5, 16290744), (6, 13575620), (8, 10181715), (10, 8145372), (12, 6787810), (15, 5430248), (20, 4072686), (24, 3393905), (30, 2715124), (40, 2036343), (60, 1357562), (120, 678781), (193, 422040), (386, 211020), (579, 140680), (772, 105510), (965, 84408), (1158, 70340), (1544, 52755), (1930, 42204), (2316, 35170), (2895, 28136), (3517, 23160), (3860, 21102), (4632, 17585), (5790, 14068), (7034, 11580), (7720, 10551)]