20180112680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{16451}}^1$

素因数の和:16819

約数の個数: 128

約数和(自身を含む): 56052622080

約数和(自身を除く): 35872509400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 337, 364, 455, 520, 674, 728, 910, 1348, 1685, 1820, 2359, 2696, 3370, 3640, 4381, 4718, 6740, 8762, 9436, 11795, 13480, 16451, 17524, 18872, 21905, 23590, 30667, 32902, 35048, 43810, 47180, 61334, 65804, 82255, 87620, 94360, 115157, 122668, 131608, 153335, 164510, 175240, 213863, 230314, 245336, 306670, 329020, 427726, 460628, 575785, 613340, 658040, 855452, 921256, 1069315, 1151570, 1226680, 1497041, 1710904, 2138630, 2303140, 2994082, 4277260, 4606280, 5543987, 5988164, 7485205, 8554520, 11087974, 11976328, 14970410, 22175948, 27719935, 29940820, 38807909, 44351896, 55439870, 59881640, 72071831, 77615818, 110879740, 144143662, 155231636, 194039545, 221759480, 288287324, 310463272, 360359155, 388079090, 504502817, 576574648, 720718310, 776158180, 1009005634, 1441436620, 1552316360, 2018011268, 2522514085, 2882873240, 4036022536, 5045028170, 10090056340, 20180112680]

約数ペア:

[(1, 20180112680), (2, 10090056340), (4, 5045028170), (5, 4036022536), (7, 2882873240), (8, 2522514085), (10, 2018011268), (13, 1552316360), (14, 1441436620), (20, 1009005634), (26, 776158180), (28, 720718310), (35, 576574648), (40, 504502817), (52, 388079090), (56, 360359155), (65, 310463272), (70, 288287324), (91, 221759480), (104, 194039545), (130, 155231636), (140, 144143662), (182, 110879740), (260, 77615818), (280, 72071831), (337, 59881640), (364, 55439870), (455, 44351896), (520, 38807909), (674, 29940820), (728, 27719935), (910, 22175948), (1348, 14970410), (1685, 11976328), (1820, 11087974), (2359, 8554520), (2696, 7485205), (3370, 5988164), (3640, 5543987), (4381, 4606280), (4718, 4277260), (6740, 2994082), (8762, 2303140), (9436, 2138630), (11795, 1710904), (13480, 1497041), (16451, 1226680), (17524, 1151570), (18872, 1069315), (21905, 921256), (23590, 855452), (30667, 658040), (32902, 613340), (35048, 575785), (43810, 460628), (47180, 427726), (61334, 329020), (65804, 306670), (82255, 245336), (87620, 230314), (94360, 213863), (115157, 175240), (122668, 164510), (131608, 153335)]