257939520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2092

約数の個数: 112

約数和(自身を含む): 825276480

約数和(自身を除く): 567336960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 417, 480, 556, 695, 834, 960, 1112, 1390, 1668, 1933, 2085, 2224, 2780, 3336, 3866, 4170, 4448, 5560, 5799, 6672, 7732, 8340, 8896, 9665, 11120, 11598, 13344, 15464, 16680, 19330, 22240, 23196, 26688, 28995, 30928, 33360, 38660, 44480, 46392, 57990, 61856, 66720, 77320, 92784, 115980, 123712, 133440, 154640, 185568, 231960, 268687, 309280, 371136, 463920, 537374, 618560, 806061, 927840, 1074748, 1343435, 1612122, 1855680, 2149496, 2686870, 3224244, 4030305, 4298992, 5373740, 6448488, 8060610, 8597984, 10747480, 12896976, 16121220, 17195968, 21494960, 25793952, 32242440, 42989920, 51587904, 64484880, 85979840, 128969760, 257939520]

約数ペア:

[(1, 257939520), (2, 128969760), (3, 85979840), (4, 64484880), (5, 51587904), (6, 42989920), (8, 32242440), (10, 25793952), (12, 21494960), (15, 17195968), (16, 16121220), (20, 12896976), (24, 10747480), (30, 8597984), (32, 8060610), (40, 6448488), (48, 5373740), (60, 4298992), (64, 4030305), (80, 3224244), (96, 2686870), (120, 2149496), (139, 1855680), (160, 1612122), (192, 1343435), (240, 1074748), (278, 927840), (320, 806061), (417, 618560), (480, 537374), (556, 463920), (695, 371136), (834, 309280), (960, 268687), (1112, 231960), (1390, 185568), (1668, 154640), (1933, 133440), (2085, 123712), (2224, 115980), (2780, 92784), (3336, 77320), (3866, 66720), (4170, 61856), (4448, 57990), (5560, 46392), (5799, 44480), (6672, 38660), (7732, 33360), (8340, 30928), (8896, 28995), (9665, 26688), (11120, 23196), (11598, 22240), (13344, 19330), (15464, 16680)]