209545920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 224

約数和(自身を含む): 751027200

約数和(自身を除く): 541481280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 79, 80, 90, 96, 108, 120, 135, 144, 158, 160, 180, 192, 216, 237, 240, 270, 288, 307, 316, 320, 360, 395, 432, 474, 480, 540, 576, 614, 632, 711, 720, 790, 864, 921, 948, 960, 1080, 1185, 1228, 1264, 1422, 1440, 1535, 1580, 1728, 1842, 1896, 2133, 2160, 2370, 2456, 2528, 2763, 2844, 2880, 3070, 3160, 3555, 3684, 3792, 4266, 4320, 4605, 4740, 4912, 5056, 5526, 5688, 6140, 6320, 7110, 7368, 7584, 8289, 8532, 8640, 9210, 9480, 9824, 10665, 11052, 11376, 12280, 12640, 13815, 14220, 14736, 15168, 16578, 17064, 18420, 18960, 19648, 21330, 22104, 22752, 24253, 24560, 25280, 27630, 28440, 29472, 33156, 34128, 36840, 37920, 41445, 42660, 44208, 45504, 48506, 49120, 55260, 56880, 58944, 66312, 68256, 72759, 73680, 75840, 82890, 85320, 88416, 97012, 98240, 110520, 113760, 121265, 132624, 136512, 145518, 147360, 165780, 170640, 176832, 194024, 218277, 221040, 227520, 242530, 265248, 291036, 294720, 331560, 341280, 363795, 388048, 436554, 442080, 485060, 530496, 582072, 654831, 663120, 682560, 727590, 776096, 873108, 884160, 970120, 1091385, 1164144, 1309662, 1326240, 1455180, 1552192, 1746216, 1940240, 2182770, 2328288, 2619324, 2652480, 2910360, 3274155, 3492432, 3880480, 4365540, 4656576, 5238648, 5820720, 6548310, 6984864, 7760960, 8731080, 10477296, 11641440, 13096620, 13969728, 17462160, 20954592, 23282880, 26193240, 34924320, 41909184, 52386480, 69848640, 104772960, 209545920]

約数ペア:

[(1, 209545920), (2, 104772960), (3, 69848640), (4, 52386480), (5, 41909184), (6, 34924320), (8, 26193240), (9, 23282880), (10, 20954592), (12, 17462160), (15, 13969728), (16, 13096620), (18, 11641440), (20, 10477296), (24, 8731080), (27, 7760960), (30, 6984864), (32, 6548310), (36, 5820720), (40, 5238648), (45, 4656576), (48, 4365540), (54, 3880480), (60, 3492432), (64, 3274155), (72, 2910360), (79, 2652480), (80, 2619324), (90, 2328288), (96, 2182770), (108, 1940240), (120, 1746216), (135, 1552192), (144, 1455180), (158, 1326240), (160, 1309662), (180, 1164144), (192, 1091385), (216, 970120), (237, 884160), (240, 873108), (270, 776096), (288, 727590), (307, 682560), (316, 663120), (320, 654831), (360, 582072), (395, 530496), (432, 485060), (474, 442080), (480, 436554), (540, 388048), (576, 363795), (614, 341280), (632, 331560), (711, 294720), (720, 291036), (790, 265248), (864, 242530), (921, 227520), (948, 221040), (960, 218277), (1080, 194024), (1185, 176832), (1228, 170640), (1264, 165780), (1422, 147360), (1440, 145518), (1535, 136512), (1580, 132624), (1728, 121265), (1842, 113760), (1896, 110520), (2133, 98240), (2160, 97012), (2370, 88416), (2456, 85320), (2528, 82890), (2763, 75840), (2844, 73680), (2880, 72759), (3070, 68256), (3160, 66312), (3555, 58944), (3684, 56880), (3792, 55260), (4266, 49120), (4320, 48506), (4605, 45504), (4740, 44208), (4912, 42660), (5056, 41445), (5526, 37920), (5688, 36840), (6140, 34128), (6320, 33156), (7110, 29472), (7368, 28440), (7584, 27630), (8289, 25280), (8532, 24560), (8640, 24253), (9210, 22752), (9480, 22104), (9824, 21330), (10665, 19648), (11052, 18960), (11376, 18420), (12280, 17064), (12640, 16578), (13815, 15168), (14220, 14736)]