12138240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 40471200

約数和(自身を除く): 28332960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 109, 116, 120, 128, 145, 160, 174, 192, 218, 232, 240, 256, 290, 320, 327, 348, 384, 435, 436, 464, 480, 545, 580, 640, 654, 696, 768, 870, 872, 928, 960, 1090, 1160, 1280, 1308, 1392, 1635, 1740, 1744, 1856, 1920, 2180, 2320, 2616, 2784, 3161, 3270, 3480, 3488, 3712, 3840, 4360, 4640, 5232, 5568, 6322, 6540, 6960, 6976, 7424, 8720, 9280, 9483, 10464, 11136, 12644, 13080, 13920, 13952, 15805, 17440, 18560, 18966, 20928, 22272, 25288, 26160, 27840, 27904, 31610, 34880, 37120, 37932, 41856, 47415, 50576, 52320, 55680, 63220, 69760, 75864, 83712, 94830, 101152, 104640, 111360, 126440, 139520, 151728, 189660, 202304, 209280, 252880, 303456, 379320, 404608, 418560, 505760, 606912, 758640, 809216, 1011520, 1213824, 1517280, 2023040, 2427648, 3034560, 4046080, 6069120, 12138240]

約数ペア:

[(1, 12138240), (2, 6069120), (3, 4046080), (4, 3034560), (5, 2427648), (6, 2023040), (8, 1517280), (10, 1213824), (12, 1011520), (15, 809216), (16, 758640), (20, 606912), (24, 505760), (29, 418560), (30, 404608), (32, 379320), (40, 303456), (48, 252880), (58, 209280), (60, 202304), (64, 189660), (80, 151728), (87, 139520), (96, 126440), (109, 111360), (116, 104640), (120, 101152), (128, 94830), (145, 83712), (160, 75864), (174, 69760), (192, 63220), (218, 55680), (232, 52320), (240, 50576), (256, 47415), (290, 41856), (320, 37932), (327, 37120), (348, 34880), (384, 31610), (435, 27904), (436, 27840), (464, 26160), (480, 25288), (545, 22272), (580, 20928), (640, 18966), (654, 18560), (696, 17440), (768, 15805), (870, 13952), (872, 13920), (928, 13080), (960, 12644), (1090, 11136), (1160, 10464), (1280, 9483), (1308, 9280), (1392, 8720), (1635, 7424), (1740, 6976), (1744, 6960), (1856, 6540), (1920, 6322), (2180, 5568), (2320, 5232), (2616, 4640), (2784, 4360), (3161, 3840), (3270, 3712), (3480, 3488)]