260538880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 240

約数和(自身を含む): 761308416

約数和(自身を除く): 500769536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 67, 70, 80, 98, 112, 124, 128, 134, 140, 155, 160, 196, 217, 224, 245, 248, 256, 268, 280, 310, 320, 335, 392, 434, 448, 469, 490, 496, 512, 536, 560, 620, 640, 670, 784, 868, 896, 938, 980, 992, 1072, 1085, 1120, 1240, 1280, 1340, 1519, 1568, 1736, 1792, 1876, 1960, 1984, 2077, 2144, 2170, 2240, 2345, 2480, 2560, 2680, 3038, 3136, 3283, 3472, 3584, 3752, 3920, 3968, 4154, 4288, 4340, 4480, 4690, 4960, 5360, 6076, 6272, 6566, 6944, 7504, 7595, 7840, 7936, 8308, 8576, 8680, 8960, 9380, 9920, 10385, 10720, 12152, 12544, 13132, 13888, 14539, 15008, 15190, 15680, 15872, 16415, 16616, 17152, 17360, 17920, 18760, 19840, 20770, 21440, 24304, 25088, 26264, 27776, 29078, 30016, 30380, 31360, 32830, 33232, 34304, 34720, 37520, 39680, 41540, 42880, 48608, 52528, 55552, 58156, 60032, 60760, 62720, 65660, 66464, 69440, 72695, 75040, 79360, 83080, 85760, 97216, 101773, 105056, 111104, 116312, 120064, 121520, 125440, 131320, 132928, 138880, 145390, 150080, 166160, 171520, 194432, 203546, 210112, 232624, 240128, 243040, 262640, 265856, 277760, 290780, 300160, 332320, 388864, 407092, 420224, 465248, 486080, 508865, 525280, 531712, 555520, 581560, 600320, 664640, 777728, 814184, 840448, 930496, 972160, 1017730, 1050560, 1063424, 1163120, 1200640, 1329280, 1628368, 1680896, 1860992, 1944320, 2035460, 2101120, 2326240, 2658560, 3256736, 3721984, 3888640, 4070920, 4202240, 4652480, 5317120, 6513472, 7443968, 8141840, 8404480, 9304960, 13026944, 16283680, 18609920, 26053888, 32567360, 37219840, 52107776, 65134720, 130269440, 260538880]

約数ペア:

[(1, 260538880), (2, 130269440), (4, 65134720), (5, 52107776), (7, 37219840), (8, 32567360), (10, 26053888), (14, 18609920), (16, 16283680), (20, 13026944), (28, 9304960), (31, 8404480), (32, 8141840), (35, 7443968), (40, 6513472), (49, 5317120), (56, 4652480), (62, 4202240), (64, 4070920), (67, 3888640), (70, 3721984), (80, 3256736), (98, 2658560), (112, 2326240), (124, 2101120), (128, 2035460), (134, 1944320), (140, 1860992), (155, 1680896), (160, 1628368), (196, 1329280), (217, 1200640), (224, 1163120), (245, 1063424), (248, 1050560), (256, 1017730), (268, 972160), (280, 930496), (310, 840448), (320, 814184), (335, 777728), (392, 664640), (434, 600320), (448, 581560), (469, 555520), (490, 531712), (496, 525280), (512, 508865), (536, 486080), (560, 465248), (620, 420224), (640, 407092), (670, 388864), (784, 332320), (868, 300160), (896, 290780), (938, 277760), (980, 265856), (992, 262640), (1072, 243040), (1085, 240128), (1120, 232624), (1240, 210112), (1280, 203546), (1340, 194432), (1519, 171520), (1568, 166160), (1736, 150080), (1792, 145390), (1876, 138880), (1960, 132928), (1984, 131320), (2077, 125440), (2144, 121520), (2170, 120064), (2240, 116312), (2345, 111104), (2480, 105056), (2560, 101773), (2680, 97216), (3038, 85760), (3136, 83080), (3283, 79360), (3472, 75040), (3584, 72695), (3752, 69440), (3920, 66464), (3968, 65660), (4154, 62720), (4288, 60760), (4340, 60032), (4480, 58156), (4690, 55552), (4960, 52528), (5360, 48608), (6076, 42880), (6272, 41540), (6566, 39680), (6944, 37520), (7504, 34720), (7595, 34304), (7840, 33232), (7936, 32830), (8308, 31360), (8576, 30380), (8680, 30016), (8960, 29078), (9380, 27776), (9920, 26264), (10385, 25088), (10720, 24304), (12152, 21440), (12544, 20770), (13132, 19840), (13888, 18760), (14539, 17920), (15008, 17360), (15190, 17152), (15680, 16616), (15872, 16415)]