121019916800

素因数分解:

$2^9\times 5^2\times {\mathrm{2179}}^1\times {\mathrm{4339}}^1$

素因数の和:6546

約数の個数: 120

約数和(自身を含む): 300043035600

約数和(自身を除く): 179023118800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2179, 2560, 3200, 4339, 4358, 6400, 8678, 8716, 10895, 12800, 17356, 17432, 21695, 21790, 34712, 34864, 43390, 43580, 54475, 69424, 69728, 86780, 87160, 108475, 108950, 138848, 139456, 173560, 174320, 216950, 217900, 277696, 278912, 347120, 348640, 433900, 435800, 555392, 557824, 694240, 697280, 867800, 871600, 1110784, 1115648, 1388480, 1394560, 1735600, 1743200, 2221568, 2776960, 2789120, 3471200, 3486400, 5553920, 5578240, 6942400, 6972800, 9454681, 11107840, 13884800, 13945600, 18909362, 27769600, 27891200, 37818724, 47273405, 55539200, 75637448, 94546810, 151274896, 189093620, 236367025, 302549792, 378187240, 472734050, 605099584, 756374480, 945468100, 1210199168, 1512748960, 1890936200, 2420398336, 3025497920, 3781872400, 4840796672, 6050995840, 7563744800, 12101991680, 15127489600, 24203983360, 30254979200, 60509958400, 121019916800]

約数ペア:

[(1, 121019916800), (2, 60509958400), (4, 30254979200), (5, 24203983360), (8, 15127489600), (10, 12101991680), (16, 7563744800), (20, 6050995840), (25, 4840796672), (32, 3781872400), (40, 3025497920), (50, 2420398336), (64, 1890936200), (80, 1512748960), (100, 1210199168), (128, 945468100), (160, 756374480), (200, 605099584), (256, 472734050), (320, 378187240), (400, 302549792), (512, 236367025), (640, 189093620), (800, 151274896), (1280, 94546810), (1600, 75637448), (2179, 55539200), (2560, 47273405), (3200, 37818724), (4339, 27891200), (4358, 27769600), (6400, 18909362), (8678, 13945600), (8716, 13884800), (10895, 11107840), (12800, 9454681), (17356, 6972800), (17432, 6942400), (21695, 5578240), (21790, 5553920), (34712, 3486400), (34864, 3471200), (43390, 2789120), (43580, 2776960), (54475, 2221568), (69424, 1743200), (69728, 1735600), (86780, 1394560), (87160, 1388480), (108475, 1115648), (108950, 1110784), (138848, 871600), (139456, 867800), (173560, 697280), (174320, 694240), (216950, 557824), (217900, 555392), (277696, 435800), (278912, 433900), (347120, 348640)]