28692180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 97441344

約数和(自身を除く): 68749164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 337, 387, 396, 430, 473, 495, 516, 645, 660, 674, 774, 860, 946, 990, 1011, 1290, 1348, 1419, 1548, 1685, 1892, 1935, 1980, 2022, 2365, 2580, 2838, 3033, 3370, 3707, 3870, 4044, 4257, 4730, 5055, 5676, 6066, 6740, 7095, 7414, 7740, 8514, 9460, 10110, 11121, 12132, 14190, 14491, 14828, 15165, 17028, 18535, 20220, 21285, 22242, 28380, 28982, 30330, 33363, 37070, 42570, 43473, 44484, 55605, 57964, 60660, 66726, 72455, 74140, 85140, 86946, 111210, 130419, 133452, 144910, 159401, 166815, 173892, 217365, 222420, 260838, 289820, 318802, 333630, 434730, 478203, 521676, 637604, 652095, 667260, 797005, 869460, 956406, 1304190, 1434609, 1594010, 1912812, 2391015, 2608380, 2869218, 3188020, 4782030, 5738436, 7173045, 9564060, 14346090, 28692180]

約数ペア:

[(1, 28692180), (2, 14346090), (3, 9564060), (4, 7173045), (5, 5738436), (6, 4782030), (9, 3188020), (10, 2869218), (11, 2608380), (12, 2391015), (15, 1912812), (18, 1594010), (20, 1434609), (22, 1304190), (30, 956406), (33, 869460), (36, 797005), (43, 667260), (44, 652095), (45, 637604), (55, 521676), (60, 478203), (66, 434730), (86, 333630), (90, 318802), (99, 289820), (110, 260838), (129, 222420), (132, 217365), (165, 173892), (172, 166815), (180, 159401), (198, 144910), (215, 133452), (220, 130419), (258, 111210), (330, 86946), (337, 85140), (387, 74140), (396, 72455), (430, 66726), (473, 60660), (495, 57964), (516, 55605), (645, 44484), (660, 43473), (674, 42570), (774, 37070), (860, 33363), (946, 30330), (990, 28982), (1011, 28380), (1290, 22242), (1348, 21285), (1419, 20220), (1548, 18535), (1685, 17028), (1892, 15165), (1935, 14828), (1980, 14491), (2022, 14190), (2365, 12132), (2580, 11121), (2838, 10110), (3033, 9460), (3370, 8514), (3707, 7740), (3870, 7414), (4044, 7095), (4257, 6740), (4730, 6066), (5055, 5676)]