319156955120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{221723}}^1$

素因数の和:222702

約数の個数: 80

約数和(自身を含む): 781922989440

約数和(自身を除く): 462766034320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 947, 1520, 1894, 3788, 4735, 7576, 9470, 15152, 17993, 18940, 35986, 37880, 71972, 75760, 89965, 143944, 179930, 221723, 287888, 359860, 443446, 719720, 886892, 1108615, 1439440, 1773784, 2217230, 3547568, 4212737, 4434460, 8425474, 8868920, 16850948, 17737840, 21063685, 33701896, 42127370, 67403792, 84254740, 168509480, 209971681, 337018960, 419943362, 839886724, 1049858405, 1679773448, 2099716810, 3359546896, 3989461939, 4199433620, 7978923878, 8398867240, 15957847756, 16797734480, 19947309695, 31915695512, 39894619390, 63831391024, 79789238780, 159578477560, 319156955120]

約数ペア:

[(1, 319156955120), (2, 159578477560), (4, 79789238780), (5, 63831391024), (8, 39894619390), (10, 31915695512), (16, 19947309695), (19, 16797734480), (20, 15957847756), (38, 8398867240), (40, 7978923878), (76, 4199433620), (80, 3989461939), (95, 3359546896), (152, 2099716810), (190, 1679773448), (304, 1049858405), (380, 839886724), (760, 419943362), (947, 337018960), (1520, 209971681), (1894, 168509480), (3788, 84254740), (4735, 67403792), (7576, 42127370), (9470, 33701896), (15152, 21063685), (17993, 17737840), (18940, 16850948), (35986, 8868920), (37880, 8425474), (71972, 4434460), (75760, 4212737), (89965, 3547568), (143944, 2217230), (179930, 1773784), (221723, 1439440), (287888, 1108615), (359860, 886892), (443446, 719720)]