30779280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 122563584

約数和(自身を除く): 91784304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 197, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 394, 420, 434, 465, 496, 504, 558, 560, 591, 620, 630, 651, 720, 744, 788, 840, 868, 930, 985, 1008, 1085, 1116, 1182, 1240, 1260, 1302, 1379, 1395, 1488, 1576, 1680, 1736, 1773, 1860, 1953, 1970, 2170, 2232, 2364, 2480, 2520, 2604, 2758, 2790, 2955, 3152, 3255, 3472, 3546, 3720, 3906, 3940, 4137, 4340, 4464, 4728, 5040, 5208, 5516, 5580, 5910, 6107, 6510, 6895, 7092, 7440, 7812, 7880, 8274, 8680, 8865, 9456, 9765, 10416, 11032, 11160, 11820, 12214, 12411, 13020, 13790, 14184, 15624, 15760, 16548, 17360, 17730, 18321, 19530, 20685, 22064, 22320, 23640, 24428, 24822, 26040, 27580, 28368, 30535, 31248, 33096, 35460, 36642, 39060, 41370, 42749, 47280, 48856, 49644, 52080, 54963, 55160, 61070, 62055, 66192, 70920, 73284, 78120, 82740, 85498, 91605, 97712, 99288, 109926, 110320, 122140, 124110, 128247, 141840, 146568, 156240, 165480, 170996, 183210, 198576, 213745, 219852, 244280, 248220, 256494, 274815, 293136, 330960, 341992, 366420, 384741, 427490, 439704, 488560, 496440, 512988, 549630, 641235, 683984, 732840, 769482, 854980, 879408, 992880, 1025976, 1099260, 1282470, 1465680, 1538964, 1709960, 1923705, 2051952, 2198520, 2564940, 3077928, 3419920, 3847410, 4397040, 5129880, 6155856, 7694820, 10259760, 15389640, 30779280]

約数ペア:

[(1, 30779280), (2, 15389640), (3, 10259760), (4, 7694820), (5, 6155856), (6, 5129880), (7, 4397040), (8, 3847410), (9, 3419920), (10, 3077928), (12, 2564940), (14, 2198520), (15, 2051952), (16, 1923705), (18, 1709960), (20, 1538964), (21, 1465680), (24, 1282470), (28, 1099260), (30, 1025976), (31, 992880), (35, 879408), (36, 854980), (40, 769482), (42, 732840), (45, 683984), (48, 641235), (56, 549630), (60, 512988), (62, 496440), (63, 488560), (70, 439704), (72, 427490), (80, 384741), (84, 366420), (90, 341992), (93, 330960), (105, 293136), (112, 274815), (120, 256494), (124, 248220), (126, 244280), (140, 219852), (144, 213745), (155, 198576), (168, 183210), (180, 170996), (186, 165480), (197, 156240), (210, 146568), (217, 141840), (240, 128247), (248, 124110), (252, 122140), (279, 110320), (280, 109926), (310, 99288), (315, 97712), (336, 91605), (360, 85498), (372, 82740), (394, 78120), (420, 73284), (434, 70920), (465, 66192), (496, 62055), (504, 61070), (558, 55160), (560, 54963), (591, 52080), (620, 49644), (630, 48856), (651, 47280), (720, 42749), (744, 41370), (788, 39060), (840, 36642), (868, 35460), (930, 33096), (985, 31248), (1008, 30535), (1085, 28368), (1116, 27580), (1182, 26040), (1240, 24822), (1260, 24428), (1302, 23640), (1379, 22320), (1395, 22064), (1488, 20685), (1576, 19530), (1680, 18321), (1736, 17730), (1773, 17360), (1860, 16548), (1953, 15760), (1970, 15624), (2170, 14184), (2232, 13790), (2364, 13020), (2480, 12411), (2520, 12214), (2604, 11820), (2758, 11160), (2790, 11032), (2955, 10416), (3152, 9765), (3255, 9456), (3472, 8865), (3546, 8680), (3720, 8274), (3906, 7880), (3940, 7812), (4137, 7440), (4340, 7092), (4464, 6895), (4728, 6510), (5040, 6107), (5208, 5910), (5516, 5580)]