128393568

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 383999616

約数和(自身を除く): 255606048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 73, 93, 96, 124, 144, 146, 186, 197, 219, 248, 279, 288, 292, 372, 394, 438, 496, 558, 584, 591, 657, 744, 788, 876, 992, 1116, 1168, 1182, 1314, 1488, 1576, 1752, 1773, 2232, 2263, 2336, 2364, 2628, 2976, 3152, 3504, 3546, 4464, 4526, 4728, 5256, 6107, 6304, 6789, 7008, 7092, 8928, 9052, 9456, 10512, 12214, 13578, 14184, 14381, 18104, 18321, 18912, 20367, 21024, 24428, 27156, 28368, 28762, 36208, 36642, 40734, 43143, 48856, 54312, 54963, 56736, 57524, 72416, 73284, 81468, 86286, 97712, 108624, 109926, 115048, 129429, 146568, 162936, 172572, 195424, 217248, 219852, 230096, 258858, 293136, 325872, 345144, 439704, 445811, 460192, 517716, 586272, 651744, 690288, 879408, 891622, 1035432, 1337433, 1380576, 1758816, 1783244, 2070864, 2674866, 3566488, 4012299, 4141728, 5349732, 7132976, 8024598, 10699464, 14265952, 16049196, 21398928, 32098392, 42797856, 64196784, 128393568]

約数ペア:

[(1, 128393568), (2, 64196784), (3, 42797856), (4, 32098392), (6, 21398928), (8, 16049196), (9, 14265952), (12, 10699464), (16, 8024598), (18, 7132976), (24, 5349732), (31, 4141728), (32, 4012299), (36, 3566488), (48, 2674866), (62, 2070864), (72, 1783244), (73, 1758816), (93, 1380576), (96, 1337433), (124, 1035432), (144, 891622), (146, 879408), (186, 690288), (197, 651744), (219, 586272), (248, 517716), (279, 460192), (288, 445811), (292, 439704), (372, 345144), (394, 325872), (438, 293136), (496, 258858), (558, 230096), (584, 219852), (591, 217248), (657, 195424), (744, 172572), (788, 162936), (876, 146568), (992, 129429), (1116, 115048), (1168, 109926), (1182, 108624), (1314, 97712), (1488, 86286), (1576, 81468), (1752, 73284), (1773, 72416), (2232, 57524), (2263, 56736), (2336, 54963), (2364, 54312), (2628, 48856), (2976, 43143), (3152, 40734), (3504, 36642), (3546, 36208), (4464, 28762), (4526, 28368), (4728, 27156), (5256, 24428), (6107, 21024), (6304, 20367), (6789, 18912), (7008, 18321), (7092, 18104), (8928, 14381), (9052, 14184), (9456, 13578), (10512, 12214)]