18281340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1319}}^1$

素因数の和:1352

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 50907780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1319, 1386, 1540, 1980, 2310, 2638, 2772, 3465, 3957, 4620, 5276, 6595, 6930, 7914, 9233, 11871, 13190, 13860, 14509, 15828, 18466, 19785, 23742, 26380, 27699, 29018, 36932, 39570, 43527, 46165, 47484, 55398, 58036, 59355, 72545, 79140, 83097, 87054, 92330, 101563, 110796, 118710, 130581, 138495, 145090, 166194, 174108, 184660, 203126, 217635, 237420, 261162, 276990, 290180, 304689, 332388, 406252, 415485, 435270, 507815, 522324, 553980, 609378, 652905, 830970, 870540, 914067, 1015630, 1218756, 1305810, 1523445, 1661940, 1828134, 2031260, 2611620, 3046890, 3656268, 4570335, 6093780, 9140670, 18281340]

約数ペア:

[(1, 18281340), (2, 9140670), (3, 6093780), (4, 4570335), (5, 3656268), (6, 3046890), (7, 2611620), (9, 2031260), (10, 1828134), (11, 1661940), (12, 1523445), (14, 1305810), (15, 1218756), (18, 1015630), (20, 914067), (21, 870540), (22, 830970), (28, 652905), (30, 609378), (33, 553980), (35, 522324), (36, 507815), (42, 435270), (44, 415485), (45, 406252), (55, 332388), (60, 304689), (63, 290180), (66, 276990), (70, 261162), (77, 237420), (84, 217635), (90, 203126), (99, 184660), (105, 174108), (110, 166194), (126, 145090), (132, 138495), (140, 130581), (154, 118710), (165, 110796), (180, 101563), (198, 92330), (210, 87054), (220, 83097), (231, 79140), (252, 72545), (308, 59355), (315, 58036), (330, 55398), (385, 47484), (396, 46165), (420, 43527), (462, 39570), (495, 36932), (630, 29018), (660, 27699), (693, 26380), (770, 23742), (924, 19785), (990, 18466), (1155, 15828), (1260, 14509), (1319, 13860), (1386, 13190), (1540, 11871), (1980, 9233), (2310, 7914), (2638, 6930), (2772, 6595), (3465, 5276), (3957, 4620)]