28077280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 86220288

約数和(自身を除く): 58143008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 53, 55, 56, 70, 77, 80, 86, 88, 106, 110, 112, 140, 154, 160, 172, 176, 212, 215, 220, 224, 265, 280, 301, 308, 344, 352, 371, 385, 424, 430, 440, 473, 530, 560, 583, 602, 616, 688, 742, 770, 848, 860, 880, 946, 1060, 1120, 1166, 1204, 1232, 1376, 1484, 1505, 1540, 1696, 1720, 1760, 1855, 1892, 2120, 2279, 2332, 2365, 2408, 2464, 2915, 2968, 3010, 3080, 3311, 3440, 3710, 3784, 4081, 4240, 4558, 4664, 4730, 4816, 5830, 5936, 6020, 6160, 6622, 6880, 7420, 7568, 8162, 8480, 9116, 9328, 9460, 9632, 11395, 11660, 11872, 12040, 12320, 13244, 14840, 15136, 15953, 16324, 16555, 18232, 18656, 18920, 20405, 22790, 23320, 24080, 25069, 26488, 29680, 31906, 32648, 33110, 36464, 37840, 40810, 45580, 46640, 48160, 50138, 52976, 59360, 63812, 65296, 66220, 72928, 75680, 79765, 81620, 91160, 93280, 100276, 105952, 125345, 127624, 130592, 132440, 159530, 163240, 175483, 182320, 200552, 250690, 255248, 264880, 319060, 326480, 350966, 364640, 401104, 501380, 510496, 529760, 638120, 652960, 701932, 802208, 877415, 1002760, 1276240, 1403864, 1754830, 2005520, 2552480, 2807728, 3509660, 4011040, 5615456, 7019320, 14038640, 28077280]

約数ペア:

[(1, 28077280), (2, 14038640), (4, 7019320), (5, 5615456), (7, 4011040), (8, 3509660), (10, 2807728), (11, 2552480), (14, 2005520), (16, 1754830), (20, 1403864), (22, 1276240), (28, 1002760), (32, 877415), (35, 802208), (40, 701932), (43, 652960), (44, 638120), (53, 529760), (55, 510496), (56, 501380), (70, 401104), (77, 364640), (80, 350966), (86, 326480), (88, 319060), (106, 264880), (110, 255248), (112, 250690), (140, 200552), (154, 182320), (160, 175483), (172, 163240), (176, 159530), (212, 132440), (215, 130592), (220, 127624), (224, 125345), (265, 105952), (280, 100276), (301, 93280), (308, 91160), (344, 81620), (352, 79765), (371, 75680), (385, 72928), (424, 66220), (430, 65296), (440, 63812), (473, 59360), (530, 52976), (560, 50138), (583, 48160), (602, 46640), (616, 45580), (688, 40810), (742, 37840), (770, 36464), (848, 33110), (860, 32648), (880, 31906), (946, 29680), (1060, 26488), (1120, 25069), (1166, 24080), (1204, 23320), (1232, 22790), (1376, 20405), (1484, 18920), (1505, 18656), (1540, 18232), (1696, 16555), (1720, 16324), (1760, 15953), (1855, 15136), (1892, 14840), (2120, 13244), (2279, 12320), (2332, 12040), (2365, 11872), (2408, 11660), (2464, 11395), (2915, 9632), (2968, 9460), (3010, 9328), (3080, 9116), (3311, 8480), (3440, 8162), (3710, 7568), (3784, 7420), (4081, 6880), (4240, 6622), (4558, 6160), (4664, 6020), (4730, 5936), (4816, 5830)]