810523840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{743}}^1$

素因数の和:1254

約数の個数: 112

約数和(自身を含む): 2213286912

約数和(自身を除く): 1402763072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 487, 560, 743, 974, 1120, 1486, 1948, 2240, 2435, 2972, 3409, 3715, 3896, 4870, 5201, 5944, 6818, 7430, 7792, 9740, 10402, 11888, 13636, 14860, 15584, 17045, 19480, 20804, 23776, 26005, 27272, 29720, 31168, 34090, 38960, 41608, 47552, 52010, 54544, 59440, 68180, 77920, 83216, 104020, 109088, 118880, 136360, 155840, 166432, 208040, 218176, 237760, 272720, 332864, 361841, 416080, 545440, 723682, 832160, 1090880, 1447364, 1664320, 1809205, 2532887, 2894728, 3618410, 5065774, 5789456, 7236820, 10131548, 11578912, 12664435, 14473640, 20263096, 23157824, 25328870, 28947280, 40526192, 50657740, 57894560, 81052384, 101315480, 115789120, 162104768, 202630960, 405261920, 810523840]

約数ペア:

[(1, 810523840), (2, 405261920), (4, 202630960), (5, 162104768), (7, 115789120), (8, 101315480), (10, 81052384), (14, 57894560), (16, 50657740), (20, 40526192), (28, 28947280), (32, 25328870), (35, 23157824), (40, 20263096), (56, 14473640), (64, 12664435), (70, 11578912), (80, 10131548), (112, 7236820), (140, 5789456), (160, 5065774), (224, 3618410), (280, 2894728), (320, 2532887), (448, 1809205), (487, 1664320), (560, 1447364), (743, 1090880), (974, 832160), (1120, 723682), (1486, 545440), (1948, 416080), (2240, 361841), (2435, 332864), (2972, 272720), (3409, 237760), (3715, 218176), (3896, 208040), (4870, 166432), (5201, 155840), (5944, 136360), (6818, 118880), (7430, 109088), (7792, 104020), (9740, 83216), (10402, 77920), (11888, 68180), (13636, 59440), (14860, 54544), (15584, 52010), (17045, 47552), (19480, 41608), (20804, 38960), (23776, 34090), (26005, 31168), (27272, 29720)]