311213640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2617}}^1$

素因数の和:3622

約数の個数: 64

約数和(自身を含む): 934940160

約数和(自身を除く): 623726520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1982, 2617, 2973, 3964, 4955, 5234, 5946, 7851, 7928, 9910, 10468, 11892, 13085, 14865, 15702, 19820, 20936, 23784, 26170, 29730, 31404, 39255, 39640, 52340, 59460, 62808, 78510, 104680, 118920, 157020, 314040, 2593447, 5186894, 7780341, 10373788, 12967235, 15560682, 20747576, 25934470, 31121364, 38901705, 51868940, 62242728, 77803410, 103737880, 155606820, 311213640]

約数ペア:

[(1, 311213640), (2, 155606820), (3, 103737880), (4, 77803410), (5, 62242728), (6, 51868940), (8, 38901705), (10, 31121364), (12, 25934470), (15, 20747576), (20, 15560682), (24, 12967235), (30, 10373788), (40, 7780341), (60, 5186894), (120, 2593447), (991, 314040), (1982, 157020), (2617, 118920), (2973, 104680), (3964, 78510), (4955, 62808), (5234, 59460), (5946, 52340), (7851, 39640), (7928, 39255), (9910, 31404), (10468, 29730), (11892, 26170), (13085, 23784), (14865, 20936), (15702, 19820)]