227971520

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 224

約数和(自身を含む): 663244800

約数和(自身を除く): 435273280

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, 134, 140, 155, 160, 196, 217, 224, 245, 248, 268, 280, 310, 320, 335, 343, 392, 434, 448, 469, 490, 496, 536, 560, 620, 670, 686, 784, 868, 938, 980, 992, 1072, 1085, 1120, 1240, 1340, 1372, 1519, 1568, 1715, 1736, 1876, 1960, 1984, 2077, 2144, 2170, 2240, 2345, 2480, 2680, 2744, 3038, 3136, 3283, 3430, 3472, 3752, 3920, 4154, 4288, 4340, 4690, 4960, 5360, 5488, 6076, 6566, 6860, 6944, 7504, 7595, 7840, 8308, 8680, 9380, 9920, 10385, 10633, 10720, 10976, 12152, 13132, 13720, 13888, 14539, 15008, 15190, 15680, 16415, 16616, 17360, 18760, 20770, 21266, 21440, 21952, 22981, 24304, 26264, 27440, 29078, 30016, 30380, 32830, 33232, 34720, 37520, 41540, 42532, 45962, 48608, 52528, 53165, 54880, 58156, 60760, 65660, 66464, 69440, 72695, 75040, 83080, 85064, 91924, 97216, 101773, 105056, 106330, 109760, 114905, 116312, 121520, 131320, 132928, 145390, 150080, 166160, 170128, 183848, 203546, 210112, 212660, 229810, 232624, 243040, 262640, 290780, 332320, 340256, 367696, 407092, 425320, 459620, 465248, 486080, 508865, 525280, 581560, 664640, 680512, 712411, 735392, 814184, 850640, 919240, 930496, 1017730, 1050560, 1163120, 1424822, 1470784, 1628368, 1701280, 1838480, 2035460, 2326240, 2849644, 3256736, 3402560, 3562055, 3676960, 4070920, 4652480, 5699288, 6513472, 7124110, 7353920, 8141840, 11398576, 14248220, 16283680, 22797152, 28496440, 32567360, 45594304, 56992880, 113985760, 227971520]

約数ペア:

[(1, 227971520), (2, 113985760), (4, 56992880), (5, 45594304), (7, 32567360), (8, 28496440), (10, 22797152), (14, 16283680), (16, 14248220), (20, 11398576), (28, 8141840), (31, 7353920), (32, 7124110), (35, 6513472), (40, 5699288), (49, 4652480), (56, 4070920), (62, 3676960), (64, 3562055), (67, 3402560), (70, 3256736), (80, 2849644), (98, 2326240), (112, 2035460), (124, 1838480), (134, 1701280), (140, 1628368), (155, 1470784), (160, 1424822), (196, 1163120), (217, 1050560), (224, 1017730), (245, 930496), (248, 919240), (268, 850640), (280, 814184), (310, 735392), (320, 712411), (335, 680512), (343, 664640), (392, 581560), (434, 525280), (448, 508865), (469, 486080), (490, 465248), (496, 459620), (536, 425320), (560, 407092), (620, 367696), (670, 340256), (686, 332320), (784, 290780), (868, 262640), (938, 243040), (980, 232624), (992, 229810), (1072, 212660), (1085, 210112), (1120, 203546), (1240, 183848), (1340, 170128), (1372, 166160), (1519, 150080), (1568, 145390), (1715, 132928), (1736, 131320), (1876, 121520), (1960, 116312), (1984, 114905), (2077, 109760), (2144, 106330), (2170, 105056), (2240, 101773), (2345, 97216), (2480, 91924), (2680, 85064), (2744, 83080), (3038, 75040), (3136, 72695), (3283, 69440), (3430, 66464), (3472, 65660), (3752, 60760), (3920, 58156), (4154, 54880), (4288, 53165), (4340, 52528), (4690, 48608), (4960, 45962), (5360, 42532), (5488, 41540), (6076, 37520), (6566, 34720), (6860, 33232), (6944, 32830), (7504, 30380), (7595, 30016), (7840, 29078), (8308, 27440), (8680, 26264), (9380, 24304), (9920, 22981), (10385, 21952), (10633, 21440), (10720, 21266), (10976, 20770), (12152, 18760), (13132, 17360), (13720, 16616), (13888, 16415), (14539, 15680), (15008, 15190)]