64673840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10499}}^1$

素因数の和:10530

約数の個数: 80

約数和(自身を含む): 187488000

約数和(自身を除く): 122814160

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, 1540, 3080, 6160, 10499, 20998, 41996, 52495, 73493, 83992, 104990, 115489, 146986, 167984, 209980, 230978, 293972, 367465, 419960, 461956, 577445, 587944, 734930, 808423, 839920, 923912, 1154890, 1175888, 1469860, 1616846, 1847824, 2309780, 2939720, 3233692, 4042115, 4619560, 5879440, 6467384, 8084230, 9239120, 12934768, 16168460, 32336920, 64673840]

約数ペア:

[(1, 64673840), (2, 32336920), (4, 16168460), (5, 12934768), (7, 9239120), (8, 8084230), (10, 6467384), (11, 5879440), (14, 4619560), (16, 4042115), (20, 3233692), (22, 2939720), (28, 2309780), (35, 1847824), (40, 1616846), (44, 1469860), (55, 1175888), (56, 1154890), (70, 923912), (77, 839920), (80, 808423), (88, 734930), (110, 587944), (112, 577445), (140, 461956), (154, 419960), (176, 367465), (220, 293972), (280, 230978), (308, 209980), (385, 167984), (440, 146986), (560, 115489), (616, 104990), (770, 83992), (880, 73493), (1232, 52495), (1540, 41996), (3080, 20998), (6160, 10499)]