27713840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 81140640

約数和(自身を除く): 53426800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 409, 440, 484, 560, 605, 616, 770, 818, 847, 880, 968, 1210, 1232, 1540, 1636, 1694, 1936, 2045, 2420, 2863, 3080, 3272, 3388, 4090, 4235, 4499, 4840, 5726, 6160, 6544, 6776, 8180, 8470, 8998, 9680, 11452, 13552, 14315, 16360, 16940, 17996, 22495, 22904, 28630, 31493, 32720, 33880, 35992, 44990, 45808, 49489, 57260, 62986, 67760, 71984, 89980, 98978, 114520, 125972, 157465, 179960, 197956, 229040, 247445, 251944, 314930, 346423, 359920, 395912, 494890, 503888, 629860, 692846, 791824, 989780, 1259720, 1385692, 1732115, 1979560, 2519440, 2771384, 3464230, 3959120, 5542768, 6928460, 13856920, 27713840]

約数ペア:

[(1, 27713840), (2, 13856920), (4, 6928460), (5, 5542768), (7, 3959120), (8, 3464230), (10, 2771384), (11, 2519440), (14, 1979560), (16, 1732115), (20, 1385692), (22, 1259720), (28, 989780), (35, 791824), (40, 692846), (44, 629860), (55, 503888), (56, 494890), (70, 395912), (77, 359920), (80, 346423), (88, 314930), (110, 251944), (112, 247445), (121, 229040), (140, 197956), (154, 179960), (176, 157465), (220, 125972), (242, 114520), (280, 98978), (308, 89980), (385, 71984), (409, 67760), (440, 62986), (484, 57260), (560, 49489), (605, 45808), (616, 44990), (770, 35992), (818, 33880), (847, 32720), (880, 31493), (968, 28630), (1210, 22904), (1232, 22495), (1540, 17996), (1636, 16940), (1694, 16360), (1936, 14315), (2045, 13552), (2420, 11452), (2863, 9680), (3080, 8998), (3272, 8470), (3388, 8180), (4090, 6776), (4235, 6544), (4499, 6160), (4840, 5726)]