28388880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 200

約数和(自身を含む): 106498392

約数和(自身を除く): 78109512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 337, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 674, 702, 720, 780, 810, 936, 1011, 1040, 1053, 1080, 1170, 1296, 1348, 1404, 1560, 1620, 1685, 1755, 1872, 2022, 2106, 2160, 2340, 2696, 2808, 3033, 3120, 3240, 3370, 3510, 4044, 4212, 4381, 4680, 5055, 5265, 5392, 5616, 6066, 6480, 6740, 7020, 8088, 8424, 8762, 9099, 9360, 10110, 10530, 12132, 13143, 13480, 14040, 15165, 16176, 16848, 17524, 18198, 20220, 21060, 21905, 24264, 26286, 26960, 27297, 28080, 30330, 35048, 36396, 39429, 40440, 42120, 43810, 45495, 48528, 52572, 54594, 60660, 65715, 70096, 72792, 78858, 80880, 84240, 87620, 90990, 105144, 109188, 118287, 121320, 131430, 136485, 145584, 157716, 175240, 181980, 197145, 210288, 218376, 236574, 242640, 262860, 272970, 315432, 350480, 354861, 363960, 394290, 436752, 473148, 525720, 545940, 591435, 630864, 709722, 727920, 788580, 946296, 1051440, 1091880, 1182870, 1419444, 1577160, 1774305, 1892592, 2183760, 2365740, 2838888, 3154320, 3548610, 4731480, 5677776, 7097220, 9462960, 14194440, 28388880]

約数ペア:

[(1, 28388880), (2, 14194440), (3, 9462960), (4, 7097220), (5, 5677776), (6, 4731480), (8, 3548610), (9, 3154320), (10, 2838888), (12, 2365740), (13, 2183760), (15, 1892592), (16, 1774305), (18, 1577160), (20, 1419444), (24, 1182870), (26, 1091880), (27, 1051440), (30, 946296), (36, 788580), (39, 727920), (40, 709722), (45, 630864), (48, 591435), (52, 545940), (54, 525720), (60, 473148), (65, 436752), (72, 394290), (78, 363960), (80, 354861), (81, 350480), (90, 315432), (104, 272970), (108, 262860), (117, 242640), (120, 236574), (130, 218376), (135, 210288), (144, 197145), (156, 181980), (162, 175240), (180, 157716), (195, 145584), (208, 136485), (216, 131430), (234, 121320), (240, 118287), (260, 109188), (270, 105144), (312, 90990), (324, 87620), (337, 84240), (351, 80880), (360, 78858), (390, 72792), (405, 70096), (432, 65715), (468, 60660), (520, 54594), (540, 52572), (585, 48528), (624, 45495), (648, 43810), (674, 42120), (702, 40440), (720, 39429), (780, 36396), (810, 35048), (936, 30330), (1011, 28080), (1040, 27297), (1053, 26960), (1080, 26286), (1170, 24264), (1296, 21905), (1348, 21060), (1404, 20220), (1560, 18198), (1620, 17524), (1685, 16848), (1755, 16176), (1872, 15165), (2022, 14040), (2106, 13480), (2160, 13143), (2340, 12132), (2696, 10530), (2808, 10110), (3033, 9360), (3120, 9099), (3240, 8762), (3370, 8424), (3510, 8088), (4044, 7020), (4212, 6740), (4381, 6480), (4680, 6066), (5055, 5616), (5265, 5392)]