8679440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1440

約数の個数: 80

約数和(自身を含む): 25176960

約数和(自身を除く): 16497520

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, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1409, 1540, 2818, 3080, 5636, 6160, 7045, 9863, 11272, 14090, 15499, 19726, 22544, 28180, 30998, 39452, 49315, 56360, 61996, 77495, 78904, 98630, 108493, 112720, 123992, 154990, 157808, 197260, 216986, 247984, 309980, 394520, 433972, 542465, 619960, 789040, 867944, 1084930, 1239920, 1735888, 2169860, 4339720, 8679440]

約数ペア:

[(1, 8679440), (2, 4339720), (4, 2169860), (5, 1735888), (7, 1239920), (8, 1084930), (10, 867944), (11, 789040), (14, 619960), (16, 542465), (20, 433972), (22, 394520), (28, 309980), (35, 247984), (40, 216986), (44, 197260), (55, 157808), (56, 154990), (70, 123992), (77, 112720), (80, 108493), (88, 98630), (110, 78904), (112, 77495), (140, 61996), (154, 56360), (176, 49315), (220, 39452), (280, 30998), (308, 28180), (385, 22544), (440, 19726), (560, 15499), (616, 14090), (770, 11272), (880, 9863), (1232, 7045), (1409, 6160), (1540, 5636), (2818, 3080)]