690709760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 216

約数和(自身を含む): 1867267584

約数和(自身を除く): 1176557824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 103, 104, 124, 128, 130, 155, 160, 169, 206, 208, 248, 256, 260, 310, 320, 338, 403, 412, 416, 496, 515, 520, 620, 640, 676, 806, 824, 832, 845, 992, 1030, 1040, 1240, 1280, 1339, 1352, 1612, 1648, 1664, 1690, 1984, 2015, 2060, 2080, 2480, 2678, 2704, 3193, 3224, 3296, 3328, 3380, 3968, 4030, 4120, 4160, 4960, 5239, 5356, 5408, 6386, 6448, 6592, 6695, 6760, 7936, 8060, 8240, 8320, 9920, 10478, 10712, 10816, 12772, 12896, 13184, 13390, 13520, 15965, 16120, 16480, 16640, 17407, 19840, 20956, 21424, 21632, 25544, 25792, 26195, 26368, 26780, 27040, 31930, 32240, 32960, 34814, 39680, 41509, 41912, 42848, 43264, 51088, 51584, 52390, 53560, 54080, 63860, 64480, 65920, 69628, 83018, 83824, 85696, 87035, 102176, 103168, 104780, 107120, 108160, 127720, 128960, 131840, 139256, 166036, 167648, 171392, 174070, 204352, 207545, 209560, 214240, 216320, 255440, 257920, 278512, 332072, 335296, 342784, 348140, 408704, 415090, 419120, 428480, 510880, 515840, 539617, 557024, 664144, 670592, 696280, 817408, 830180, 838240, 856960, 1021760, 1079234, 1114048, 1328288, 1341184, 1392560, 1660360, 1676480, 1713920, 2043520, 2158468, 2228096, 2656576, 2698085, 2785120, 3320720, 3352960, 4087040, 4316936, 4456192, 5313152, 5396170, 5570240, 6641440, 6705920, 8633872, 10626304, 10792340, 11140480, 13282880, 17267744, 21584680, 22280960, 26565760, 34535488, 43169360, 53131520, 69070976, 86338720, 138141952, 172677440, 345354880, 690709760]

約数ペア:

[(1, 690709760), (2, 345354880), (4, 172677440), (5, 138141952), (8, 86338720), (10, 69070976), (13, 53131520), (16, 43169360), (20, 34535488), (26, 26565760), (31, 22280960), (32, 21584680), (40, 17267744), (52, 13282880), (62, 11140480), (64, 10792340), (65, 10626304), (80, 8633872), (103, 6705920), (104, 6641440), (124, 5570240), (128, 5396170), (130, 5313152), (155, 4456192), (160, 4316936), (169, 4087040), (206, 3352960), (208, 3320720), (248, 2785120), (256, 2698085), (260, 2656576), (310, 2228096), (320, 2158468), (338, 2043520), (403, 1713920), (412, 1676480), (416, 1660360), (496, 1392560), (515, 1341184), (520, 1328288), (620, 1114048), (640, 1079234), (676, 1021760), (806, 856960), (824, 838240), (832, 830180), (845, 817408), (992, 696280), (1030, 670592), (1040, 664144), (1240, 557024), (1280, 539617), (1339, 515840), (1352, 510880), (1612, 428480), (1648, 419120), (1664, 415090), (1690, 408704), (1984, 348140), (2015, 342784), (2060, 335296), (2080, 332072), (2480, 278512), (2678, 257920), (2704, 255440), (3193, 216320), (3224, 214240), (3296, 209560), (3328, 207545), (3380, 204352), (3968, 174070), (4030, 171392), (4120, 167648), (4160, 166036), (4960, 139256), (5239, 131840), (5356, 128960), (5408, 127720), (6386, 108160), (6448, 107120), (6592, 104780), (6695, 103168), (6760, 102176), (7936, 87035), (8060, 85696), (8240, 83824), (8320, 83018), (9920, 69628), (10478, 65920), (10712, 64480), (10816, 63860), (12772, 54080), (12896, 53560), (13184, 52390), (13390, 51584), (13520, 51088), (15965, 43264), (16120, 42848), (16480, 41912), (16640, 41509), (17407, 39680), (19840, 34814), (20956, 32960), (21424, 32240), (21632, 31930), (25544, 27040), (25792, 26780), (26195, 26368)]