208726560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20707}}^1$

素因数の和:20735

約数の個数: 144

約数和(自身を含む): 814072896

約数和(自身を除く): 605346336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20707, 41414, 62121, 82828, 103535, 124242, 144949, 165656, 186363, 207070, 248484, 289898, 310605, 331312, 372726, 414140, 434847, 496968, 579796, 621210, 662624, 724745, 745452, 828280, 869694, 931815, 993936, 1159592, 1242420, 1304541, 1449490, 1490904, 1656560, 1739388, 1863630, 1987872, 2174235, 2319184, 2484840, 2609082, 2898980, 2981808, 3313120, 3478776, 3727260, 4348470, 4638368, 4969680, 5218164, 5797960, 5963616, 6522705, 6957552, 7454520, 8696940, 9939360, 10436328, 11595920, 13045410, 13915104, 14909040, 17393880, 20872656, 23191840, 26090820, 29818080, 34787760, 41745312, 52181640, 69575520, 104363280, 208726560]

約数ペア:

[(1, 208726560), (2, 104363280), (3, 69575520), (4, 52181640), (5, 41745312), (6, 34787760), (7, 29818080), (8, 26090820), (9, 23191840), (10, 20872656), (12, 17393880), (14, 14909040), (15, 13915104), (16, 13045410), (18, 11595920), (20, 10436328), (21, 9939360), (24, 8696940), (28, 7454520), (30, 6957552), (32, 6522705), (35, 5963616), (36, 5797960), (40, 5218164), (42, 4969680), (45, 4638368), (48, 4348470), (56, 3727260), (60, 3478776), (63, 3313120), (70, 2981808), (72, 2898980), (80, 2609082), (84, 2484840), (90, 2319184), (96, 2174235), (105, 1987872), (112, 1863630), (120, 1739388), (126, 1656560), (140, 1490904), (144, 1449490), (160, 1304541), (168, 1242420), (180, 1159592), (210, 993936), (224, 931815), (240, 869694), (252, 828280), (280, 745452), (288, 724745), (315, 662624), (336, 621210), (360, 579796), (420, 496968), (480, 434847), (504, 414140), (560, 372726), (630, 331312), (672, 310605), (720, 289898), (840, 248484), (1008, 207070), (1120, 186363), (1260, 165656), (1440, 144949), (1680, 124242), (2016, 103535), (2520, 82828), (3360, 62121), (5040, 41414), (10080, 20707)]