208561920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{7759}}^1$

素因数の和:7790

約数の個数: 144

約数和(自身を含む): 761349120

約数和(自身を除く): 552787200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 7759, 8960, 13440, 15518, 23277, 26880, 31036, 38795, 46554, 54313, 62072, 77590, 93108, 108626, 116385, 124144, 155180, 162939, 186216, 217252, 232770, 248288, 271565, 310360, 325878, 372432, 434504, 465540, 496576, 543130, 620720, 651756, 744864, 814695, 869008, 931080, 993152, 1086260, 1241440, 1303512, 1489728, 1629390, 1738016, 1862160, 1986304, 2172520, 2482880, 2607024, 2979456, 3258780, 3476032, 3724320, 4345040, 4965760, 5214048, 5958912, 6517560, 6952064, 7448640, 8690080, 9931520, 10428096, 13035120, 13904128, 14897280, 17380160, 20856192, 26070240, 29794560, 34760320, 41712384, 52140480, 69520640, 104280960, 208561920]

約数ペア:

[(1, 208561920), (2, 104280960), (3, 69520640), (4, 52140480), (5, 41712384), (6, 34760320), (7, 29794560), (8, 26070240), (10, 20856192), (12, 17380160), (14, 14897280), (15, 13904128), (16, 13035120), (20, 10428096), (21, 9931520), (24, 8690080), (28, 7448640), (30, 6952064), (32, 6517560), (35, 5958912), (40, 5214048), (42, 4965760), (48, 4345040), (56, 3724320), (60, 3476032), (64, 3258780), (70, 2979456), (80, 2607024), (84, 2482880), (96, 2172520), (105, 1986304), (112, 1862160), (120, 1738016), (128, 1629390), (140, 1489728), (160, 1303512), (168, 1241440), (192, 1086260), (210, 993152), (224, 931080), (240, 869008), (256, 814695), (280, 744864), (320, 651756), (336, 620720), (384, 543130), (420, 496576), (448, 465540), (480, 434504), (560, 372432), (640, 325878), (672, 310360), (768, 271565), (840, 248288), (896, 232770), (960, 217252), (1120, 186216), (1280, 162939), (1344, 155180), (1680, 124144), (1792, 116385), (1920, 108626), (2240, 93108), (2688, 77590), (3360, 62072), (3840, 54313), (4480, 46554), (5376, 38795), (6720, 31036), (7759, 26880), (8960, 23277), (13440, 15518)]