208835280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1018

約数の個数: 160

約数和(自身を含む): 726739200

約数和(自身を除く): 517903920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 109, 120, 135, 144, 180, 216, 218, 240, 270, 327, 360, 432, 436, 540, 545, 654, 720, 872, 887, 981, 1080, 1090, 1308, 1635, 1744, 1774, 1962, 2160, 2180, 2616, 2661, 2943, 3270, 3548, 3924, 4360, 4435, 4905, 5232, 5322, 5886, 6540, 7096, 7848, 7983, 8720, 8870, 9810, 10644, 11772, 13080, 13305, 14192, 14715, 15696, 15966, 17740, 19620, 21288, 23544, 23949, 26160, 26610, 29430, 31932, 35480, 39240, 39915, 42576, 47088, 47898, 53220, 58860, 63864, 70960, 78480, 79830, 95796, 96683, 106440, 117720, 119745, 127728, 159660, 191592, 193366, 212880, 235440, 239490, 290049, 319320, 383184, 386732, 478980, 483415, 580098, 638640, 773464, 870147, 957960, 966830, 1160196, 1450245, 1546928, 1740294, 1915920, 1933660, 2320392, 2610441, 2900490, 3480588, 3867320, 4350735, 4640784, 5220882, 5800980, 6961176, 7734640, 8701470, 10441764, 11601960, 13052205, 13922352, 17402940, 20883528, 23203920, 26104410, 34805880, 41767056, 52208820, 69611760, 104417640, 208835280]

約数ペア:

[(1, 208835280), (2, 104417640), (3, 69611760), (4, 52208820), (5, 41767056), (6, 34805880), (8, 26104410), (9, 23203920), (10, 20883528), (12, 17402940), (15, 13922352), (16, 13052205), (18, 11601960), (20, 10441764), (24, 8701470), (27, 7734640), (30, 6961176), (36, 5800980), (40, 5220882), (45, 4640784), (48, 4350735), (54, 3867320), (60, 3480588), (72, 2900490), (80, 2610441), (90, 2320392), (108, 1933660), (109, 1915920), (120, 1740294), (135, 1546928), (144, 1450245), (180, 1160196), (216, 966830), (218, 957960), (240, 870147), (270, 773464), (327, 638640), (360, 580098), (432, 483415), (436, 478980), (540, 386732), (545, 383184), (654, 319320), (720, 290049), (872, 239490), (887, 235440), (981, 212880), (1080, 193366), (1090, 191592), (1308, 159660), (1635, 127728), (1744, 119745), (1774, 117720), (1962, 106440), (2160, 96683), (2180, 95796), (2616, 79830), (2661, 78480), (2943, 70960), (3270, 63864), (3548, 58860), (3924, 53220), (4360, 47898), (4435, 47088), (4905, 42576), (5232, 39915), (5322, 39240), (5886, 35480), (6540, 31932), (7096, 29430), (7848, 26610), (7983, 26160), (8720, 23949), (8870, 23544), (9810, 21288), (10644, 19620), (11772, 17740), (13080, 15966), (13305, 15696), (14192, 14715)]