55317780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1086

約数の個数: 144

約数和(自身を含む): 196420224

約数和(自身を除く): 141102444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1021, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2042, 2580, 2709, 3010, 3063, 3612, 3870, 4084, 4515, 5105, 5418, 6020, 6126, 7147, 7740, 9030, 9189, 10210, 10836, 12252, 13545, 14294, 15315, 18060, 18378, 20420, 21441, 27090, 28588, 30630, 35735, 36756, 42882, 43903, 45945, 54180, 61260, 64323, 71470, 85764, 87806, 91890, 107205, 128646, 131709, 142940, 175612, 183780, 214410, 219515, 257292, 263418, 307321, 321615, 395127, 428820, 439030, 526836, 614642, 643230, 658545, 790254, 878060, 921963, 1229284, 1286460, 1317090, 1536605, 1580508, 1843926, 1975635, 2634180, 2765889, 3073210, 3687852, 3951270, 4609815, 5531778, 6146420, 7902540, 9219630, 11063556, 13829445, 18439260, 27658890, 55317780]

約数ペア:

[(1, 55317780), (2, 27658890), (3, 18439260), (4, 13829445), (5, 11063556), (6, 9219630), (7, 7902540), (9, 6146420), (10, 5531778), (12, 4609815), (14, 3951270), (15, 3687852), (18, 3073210), (20, 2765889), (21, 2634180), (28, 1975635), (30, 1843926), (35, 1580508), (36, 1536605), (42, 1317090), (43, 1286460), (45, 1229284), (60, 921963), (63, 878060), (70, 790254), (84, 658545), (86, 643230), (90, 614642), (105, 526836), (126, 439030), (129, 428820), (140, 395127), (172, 321615), (180, 307321), (210, 263418), (215, 257292), (252, 219515), (258, 214410), (301, 183780), (315, 175612), (387, 142940), (420, 131709), (430, 128646), (516, 107205), (602, 91890), (630, 87806), (645, 85764), (774, 71470), (860, 64323), (903, 61260), (1021, 54180), (1204, 45945), (1260, 43903), (1290, 42882), (1505, 36756), (1548, 35735), (1806, 30630), (1935, 28588), (2042, 27090), (2580, 21441), (2709, 20420), (3010, 18378), (3063, 18060), (3612, 15315), (3870, 14294), (4084, 13545), (4515, 12252), (5105, 10836), (5418, 10210), (6020, 9189), (6126, 9030), (7147, 7740)]