209019840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1170

約数の個数: 112

約数和(自身を含む): 667146240

約数和(自身を除く): 458126400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 239, 240, 320, 478, 480, 717, 911, 956, 960, 1195, 1434, 1822, 1912, 2390, 2733, 2868, 3585, 3644, 3824, 4555, 4780, 5466, 5736, 7170, 7288, 7648, 9110, 9560, 10932, 11472, 13665, 14340, 14576, 15296, 18220, 19120, 21864, 22944, 27330, 28680, 29152, 36440, 38240, 43728, 45888, 54660, 57360, 58304, 72880, 76480, 87456, 109320, 114720, 145760, 174912, 217729, 218640, 229440, 291520, 435458, 437280, 653187, 870916, 874560, 1088645, 1306374, 1741832, 2177290, 2612748, 3265935, 3483664, 4354580, 5225496, 6531870, 6967328, 8709160, 10450992, 13063740, 13934656, 17418320, 20901984, 26127480, 34836640, 41803968, 52254960, 69673280, 104509920, 209019840]

約数ペア:

[(1, 209019840), (2, 104509920), (3, 69673280), (4, 52254960), (5, 41803968), (6, 34836640), (8, 26127480), (10, 20901984), (12, 17418320), (15, 13934656), (16, 13063740), (20, 10450992), (24, 8709160), (30, 6967328), (32, 6531870), (40, 5225496), (48, 4354580), (60, 3483664), (64, 3265935), (80, 2612748), (96, 2177290), (120, 1741832), (160, 1306374), (192, 1088645), (239, 874560), (240, 870916), (320, 653187), (478, 437280), (480, 435458), (717, 291520), (911, 229440), (956, 218640), (960, 217729), (1195, 174912), (1434, 145760), (1822, 114720), (1912, 109320), (2390, 87456), (2733, 76480), (2868, 72880), (3585, 58304), (3644, 57360), (3824, 54660), (4555, 45888), (4780, 43728), (5466, 38240), (5736, 36440), (7170, 29152), (7288, 28680), (7648, 27330), (9110, 22944), (9560, 21864), (10932, 19120), (11472, 18220), (13665, 15296), (14340, 14576)]