251364120

素因数分解:

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

素因数の和:263

約数の個数: 256

約数和(自身を含む): 912384000

約数和(自身を除く): 661019880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 197, 210, 217, 245, 248, 280, 294, 310, 343, 372, 392, 394, 420, 434, 465, 490, 588, 591, 620, 651, 686, 735, 744, 788, 840, 868, 930, 980, 985, 1029, 1085, 1176, 1182, 1240, 1302, 1372, 1379, 1470, 1519, 1576, 1715, 1736, 1860, 1960, 1970, 2058, 2170, 2364, 2604, 2744, 2758, 2940, 2955, 3038, 3255, 3430, 3720, 3940, 4116, 4137, 4340, 4557, 4728, 5145, 5208, 5516, 5880, 5910, 6076, 6107, 6510, 6860, 6895, 7595, 7880, 8232, 8274, 8680, 9114, 9653, 10290, 10633, 11032, 11820, 12152, 12214, 13020, 13720, 13790, 15190, 16548, 18228, 18321, 19306, 20580, 20685, 21266, 22785, 23640, 24428, 26040, 27580, 28959, 30380, 30535, 31899, 33096, 36456, 36642, 38612, 41160, 41370, 42532, 42749, 45570, 48265, 48856, 53165, 55160, 57918, 60760, 61070, 63798, 67571, 73284, 77224, 82740, 85064, 85498, 91140, 91605, 96530, 106330, 115836, 122140, 127596, 128247, 135142, 144795, 146568, 159495, 165480, 170996, 182280, 183210, 193060, 202713, 212660, 213745, 231672, 244280, 255192, 256494, 270284, 289590, 299243, 318990, 337855, 341992, 366420, 386120, 405426, 425320, 427490, 512988, 540568, 579180, 598486, 637980, 641235, 675710, 732840, 810852, 854980, 897729, 1013565, 1025976, 1158360, 1196972, 1275960, 1282470, 1351420, 1496215, 1621704, 1709960, 1795458, 2027130, 2094701, 2393944, 2564940, 2702840, 2992430, 3590916, 4054260, 4189402, 4488645, 5129880, 5984860, 6284103, 7181832, 8108520, 8378804, 8977290, 10473505, 11969720, 12568206, 16757608, 17954580, 20947010, 25136412, 31420515, 35909160, 41894020, 50272824, 62841030, 83788040, 125682060, 251364120]

約数ペア:

[(1, 251364120), (2, 125682060), (3, 83788040), (4, 62841030), (5, 50272824), (6, 41894020), (7, 35909160), (8, 31420515), (10, 25136412), (12, 20947010), (14, 17954580), (15, 16757608), (20, 12568206), (21, 11969720), (24, 10473505), (28, 8977290), (30, 8378804), (31, 8108520), (35, 7181832), (40, 6284103), (42, 5984860), (49, 5129880), (56, 4488645), (60, 4189402), (62, 4054260), (70, 3590916), (84, 2992430), (93, 2702840), (98, 2564940), (105, 2393944), (120, 2094701), (124, 2027130), (140, 1795458), (147, 1709960), (155, 1621704), (168, 1496215), (186, 1351420), (196, 1282470), (197, 1275960), (210, 1196972), (217, 1158360), (245, 1025976), (248, 1013565), (280, 897729), (294, 854980), (310, 810852), (343, 732840), (372, 675710), (392, 641235), (394, 637980), (420, 598486), (434, 579180), (465, 540568), (490, 512988), (588, 427490), (591, 425320), (620, 405426), (651, 386120), (686, 366420), (735, 341992), (744, 337855), (788, 318990), (840, 299243), (868, 289590), (930, 270284), (980, 256494), (985, 255192), (1029, 244280), (1085, 231672), (1176, 213745), (1182, 212660), (1240, 202713), (1302, 193060), (1372, 183210), (1379, 182280), (1470, 170996), (1519, 165480), (1576, 159495), (1715, 146568), (1736, 144795), (1860, 135142), (1960, 128247), (1970, 127596), (2058, 122140), (2170, 115836), (2364, 106330), (2604, 96530), (2744, 91605), (2758, 91140), (2940, 85498), (2955, 85064), (3038, 82740), (3255, 77224), (3430, 73284), (3720, 67571), (3940, 63798), (4116, 61070), (4137, 60760), (4340, 57918), (4557, 55160), (4728, 53165), (5145, 48856), (5208, 48265), (5516, 45570), (5880, 42749), (5910, 42532), (6076, 41370), (6107, 41160), (6510, 38612), (6860, 36642), (6895, 36456), (7595, 33096), (7880, 31899), (8232, 30535), (8274, 30380), (8680, 28959), (9114, 27580), (9653, 26040), (10290, 24428), (10633, 23640), (11032, 22785), (11820, 21266), (12152, 20685), (12214, 20580), (13020, 19306), (13720, 18321), (13790, 18228), (15190, 16548)]