818004640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{967}}^1$

素因数の和:1310

約数の個数: 96

約数和(自身を含む): 2054916864

約数和(自身を除く): 1236912224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 311, 340, 544, 622, 680, 967, 1244, 1360, 1555, 1934, 2488, 2720, 3110, 3868, 4835, 4976, 5287, 6220, 7736, 9670, 9952, 10574, 12440, 15472, 16439, 19340, 21148, 24880, 26435, 30944, 32878, 38680, 42296, 49760, 52870, 65756, 77360, 82195, 84592, 105740, 131512, 154720, 164390, 169184, 211480, 263024, 300737, 328780, 422960, 526048, 601474, 657560, 845920, 1202948, 1315120, 1503685, 2405896, 2630240, 3007370, 4811792, 5112529, 6014740, 9623584, 10225058, 12029480, 20450116, 24058960, 25562645, 40900232, 48117920, 51125290, 81800464, 102250580, 163600928, 204501160, 409002320, 818004640]

約数ペア:

[(1, 818004640), (2, 409002320), (4, 204501160), (5, 163600928), (8, 102250580), (10, 81800464), (16, 51125290), (17, 48117920), (20, 40900232), (32, 25562645), (34, 24058960), (40, 20450116), (68, 12029480), (80, 10225058), (85, 9623584), (136, 6014740), (160, 5112529), (170, 4811792), (272, 3007370), (311, 2630240), (340, 2405896), (544, 1503685), (622, 1315120), (680, 1202948), (967, 845920), (1244, 657560), (1360, 601474), (1555, 526048), (1934, 422960), (2488, 328780), (2720, 300737), (3110, 263024), (3868, 211480), (4835, 169184), (4976, 164390), (5287, 154720), (6220, 131512), (7736, 105740), (9670, 84592), (9952, 82195), (10574, 77360), (12440, 65756), (15472, 52870), (16439, 49760), (19340, 42296), (21148, 38680), (24880, 32878), (26435, 30944)]