201662720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 561593088

約数和(自身を除く): 359930368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 317, 320, 355, 448, 497, 560, 568, 634, 640, 710, 896, 994, 1120, 1136, 1268, 1280, 1420, 1585, 1792, 1988, 2219, 2240, 2272, 2485, 2536, 2840, 3170, 3976, 4438, 4480, 4544, 4970, 5072, 5680, 6340, 7952, 8876, 8960, 9088, 9940, 10144, 11095, 11360, 12680, 15904, 17752, 18176, 19880, 20288, 22190, 22507, 22720, 25360, 31808, 35504, 39760, 40576, 44380, 45014, 45440, 50720, 63616, 71008, 79520, 81152, 88760, 90028, 90880, 101440, 112535, 127232, 142016, 157549, 159040, 177520, 180056, 202880, 225070, 284032, 315098, 318080, 355040, 360112, 405760, 450140, 568064, 630196, 636160, 710080, 720224, 787745, 900280, 1260392, 1420160, 1440448, 1575490, 1800560, 2520784, 2840320, 2880896, 3150980, 3601120, 5041568, 5761792, 6301960, 7202240, 10083136, 12603920, 14404480, 20166272, 25207840, 28808960, 40332544, 50415680, 100831360, 201662720]

約数ペア:

[(1, 201662720), (2, 100831360), (4, 50415680), (5, 40332544), (7, 28808960), (8, 25207840), (10, 20166272), (14, 14404480), (16, 12603920), (20, 10083136), (28, 7202240), (32, 6301960), (35, 5761792), (40, 5041568), (56, 3601120), (64, 3150980), (70, 2880896), (71, 2840320), (80, 2520784), (112, 1800560), (128, 1575490), (140, 1440448), (142, 1420160), (160, 1260392), (224, 900280), (256, 787745), (280, 720224), (284, 710080), (317, 636160), (320, 630196), (355, 568064), (448, 450140), (497, 405760), (560, 360112), (568, 355040), (634, 318080), (640, 315098), (710, 284032), (896, 225070), (994, 202880), (1120, 180056), (1136, 177520), (1268, 159040), (1280, 157549), (1420, 142016), (1585, 127232), (1792, 112535), (1988, 101440), (2219, 90880), (2240, 90028), (2272, 88760), (2485, 81152), (2536, 79520), (2840, 71008), (3170, 63616), (3976, 50720), (4438, 45440), (4480, 45014), (4544, 44380), (4970, 40576), (5072, 39760), (5680, 35504), (6340, 31808), (7952, 25360), (8876, 22720), (8960, 22507), (9088, 22190), (9940, 20288), (10144, 19880), (11095, 18176), (11360, 17752), (12680, 15904)]