1787940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 192

約数和(自身を含む): 7096320

約数和(自身を除く): 5308380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 43, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 86, 90, 99, 105, 108, 110, 126, 129, 132, 135, 140, 154, 165, 172, 180, 189, 198, 210, 215, 220, 231, 252, 258, 270, 297, 301, 308, 315, 330, 378, 385, 387, 396, 420, 430, 462, 473, 495, 516, 540, 594, 602, 630, 645, 660, 693, 756, 770, 774, 860, 903, 924, 945, 946, 990, 1155, 1161, 1188, 1204, 1260, 1290, 1386, 1419, 1485, 1505, 1540, 1548, 1806, 1890, 1892, 1935, 1980, 2079, 2310, 2322, 2365, 2580, 2709, 2772, 2838, 2970, 3010, 3311, 3465, 3612, 3780, 3870, 4158, 4257, 4515, 4620, 4644, 4730, 5418, 5676, 5805, 5940, 6020, 6622, 6930, 7095, 7740, 8127, 8316, 8514, 9030, 9460, 9933, 10395, 10836, 11610, 12771, 13244, 13545, 13860, 14190, 16254, 16555, 17028, 18060, 19866, 20790, 21285, 23220, 25542, 27090, 28380, 29799, 32508, 33110, 39732, 40635, 41580, 42570, 49665, 51084, 54180, 59598, 63855, 66220, 81270, 85140, 89397, 99330, 119196, 127710, 148995, 162540, 178794, 198660, 255420, 297990, 357588, 446985, 595980, 893970, 1787940]

約数ペア:

[(1, 1787940), (2, 893970), (3, 595980), (4, 446985), (5, 357588), (6, 297990), (7, 255420), (9, 198660), (10, 178794), (11, 162540), (12, 148995), (14, 127710), (15, 119196), (18, 99330), (20, 89397), (21, 85140), (22, 81270), (27, 66220), (28, 63855), (30, 59598), (33, 54180), (35, 51084), (36, 49665), (42, 42570), (43, 41580), (44, 40635), (45, 39732), (54, 33110), (55, 32508), (60, 29799), (63, 28380), (66, 27090), (70, 25542), (77, 23220), (84, 21285), (86, 20790), (90, 19866), (99, 18060), (105, 17028), (108, 16555), (110, 16254), (126, 14190), (129, 13860), (132, 13545), (135, 13244), (140, 12771), (154, 11610), (165, 10836), (172, 10395), (180, 9933), (189, 9460), (198, 9030), (210, 8514), (215, 8316), (220, 8127), (231, 7740), (252, 7095), (258, 6930), (270, 6622), (297, 6020), (301, 5940), (308, 5805), (315, 5676), (330, 5418), (378, 4730), (385, 4644), (387, 4620), (396, 4515), (420, 4257), (430, 4158), (462, 3870), (473, 3780), (495, 3612), (516, 3465), (540, 3311), (594, 3010), (602, 2970), (630, 2838), (645, 2772), (660, 2709), (693, 2580), (756, 2365), (770, 2322), (774, 2310), (860, 2079), (903, 1980), (924, 1935), (945, 1892), (946, 1890), (990, 1806), (1155, 1548), (1161, 1540), (1188, 1505), (1204, 1485), (1260, 1419), (1290, 1386)]