397320

素因数分解:

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

素因数の和:75

約数の個数: 128

約数和(自身を含む): 1520640

約数和(自身を除く): 1123320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 43, 44, 55, 56, 60, 66, 70, 77, 84, 86, 88, 105, 110, 120, 129, 132, 140, 154, 165, 168, 172, 210, 215, 220, 231, 258, 264, 280, 301, 308, 330, 344, 385, 420, 430, 440, 462, 473, 516, 602, 616, 645, 660, 770, 840, 860, 903, 924, 946, 1032, 1155, 1204, 1290, 1320, 1419, 1505, 1540, 1720, 1806, 1848, 1892, 2310, 2365, 2408, 2580, 2838, 3010, 3080, 3311, 3612, 3784, 4515, 4620, 4730, 5160, 5676, 6020, 6622, 7095, 7224, 9030, 9240, 9460, 9933, 11352, 12040, 13244, 14190, 16555, 18060, 18920, 19866, 26488, 28380, 33110, 36120, 39732, 49665, 56760, 66220, 79464, 99330, 132440, 198660, 397320]

約数ペア:

[(1, 397320), (2, 198660), (3, 132440), (4, 99330), (5, 79464), (6, 66220), (7, 56760), (8, 49665), (10, 39732), (11, 36120), (12, 33110), (14, 28380), (15, 26488), (20, 19866), (21, 18920), (22, 18060), (24, 16555), (28, 14190), (30, 13244), (33, 12040), (35, 11352), (40, 9933), (42, 9460), (43, 9240), (44, 9030), (55, 7224), (56, 7095), (60, 6622), (66, 6020), (70, 5676), (77, 5160), (84, 4730), (86, 4620), (88, 4515), (105, 3784), (110, 3612), (120, 3311), (129, 3080), (132, 3010), (140, 2838), (154, 2580), (165, 2408), (168, 2365), (172, 2310), (210, 1892), (215, 1848), (220, 1806), (231, 1720), (258, 1540), (264, 1505), (280, 1419), (301, 1320), (308, 1290), (330, 1204), (344, 1155), (385, 1032), (420, 946), (430, 924), (440, 903), (462, 860), (473, 840), (516, 770), (602, 660), (616, 645)]