7902540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 24552528

約数和(自身を除く): 16649988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1021, 1290, 1548, 1935, 2042, 2580, 3063, 3870, 4084, 5105, 6126, 7740, 9189, 10210, 12252, 15315, 18378, 20420, 30630, 36756, 43903, 45945, 61260, 87806, 91890, 131709, 175612, 183780, 219515, 263418, 395127, 439030, 526836, 658545, 790254, 878060, 1317090, 1580508, 1975635, 2634180, 3951270, 7902540]

約数ペア:

[(1, 7902540), (2, 3951270), (3, 2634180), (4, 1975635), (5, 1580508), (6, 1317090), (9, 878060), (10, 790254), (12, 658545), (15, 526836), (18, 439030), (20, 395127), (30, 263418), (36, 219515), (43, 183780), (45, 175612), (60, 131709), (86, 91890), (90, 87806), (129, 61260), (172, 45945), (180, 43903), (215, 36756), (258, 30630), (387, 20420), (430, 18378), (516, 15315), (645, 12252), (774, 10210), (860, 9189), (1021, 7740), (1290, 6126), (1548, 5105), (1935, 4084), (2042, 3870), (2580, 3063)]