209569920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 256

約数和(自身を含む): 789626880

約数和(自身を除く): 580056960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 503, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1006, 1085, 1120, 1240, 1302, 1344, 1488, 1509, 1680, 1736, 1860, 1920, 1984, 2012, 2170, 2240, 2480, 2515, 2604, 2688, 2976, 3018, 3255, 3360, 3472, 3521, 3720, 3968, 4024, 4340, 4480, 4960, 5030, 5208, 5952, 6036, 6510, 6720, 6944, 7042, 7440, 7545, 8048, 8680, 9920, 10060, 10416, 10563, 11904, 12072, 13020, 13440, 13888, 14084, 14880, 15090, 15593, 16096, 17360, 17605, 19840, 20120, 20832, 21126, 24144, 26040, 27776, 28168, 29760, 30180, 31186, 32192, 34720, 35210, 40240, 41664, 42252, 46779, 48288, 52080, 52815, 56336, 59520, 60360, 62372, 64384, 69440, 70420, 77965, 80480, 83328, 84504, 93558, 96576, 104160, 105630, 109151, 112672, 120720, 124744, 138880, 140840, 155930, 160960, 169008, 187116, 193152, 208320, 211260, 218302, 225344, 233895, 241440, 249488, 281680, 311860, 321920, 327453, 338016, 374232, 416640, 422520, 436604, 450688, 467790, 482880, 498976, 545755, 563360, 623720, 654906, 676032, 748464, 845040, 873208, 935580, 965760, 997952, 1091510, 1126720, 1247440, 1309812, 1352064, 1496928, 1637265, 1690080, 1746416, 1871160, 1995904, 2183020, 2253440, 2494880, 2619624, 2993856, 3274530, 3380160, 3492832, 3742320, 4366040, 4989760, 5239248, 5987712, 6549060, 6760320, 6985664, 7484640, 8732080, 9979520, 10478496, 13098120, 13971328, 14969280, 17464160, 20956992, 26196240, 29938560, 34928320, 41913984, 52392480, 69856640, 104784960, 209569920]

約数ペア:

[(1, 209569920), (2, 104784960), (3, 69856640), (4, 52392480), (5, 41913984), (6, 34928320), (7, 29938560), (8, 26196240), (10, 20956992), (12, 17464160), (14, 14969280), (15, 13971328), (16, 13098120), (20, 10478496), (21, 9979520), (24, 8732080), (28, 7484640), (30, 6985664), (31, 6760320), (32, 6549060), (35, 5987712), (40, 5239248), (42, 4989760), (48, 4366040), (56, 3742320), (60, 3492832), (62, 3380160), (64, 3274530), (70, 2993856), (80, 2619624), (84, 2494880), (93, 2253440), (96, 2183020), (105, 1995904), (112, 1871160), (120, 1746416), (124, 1690080), (128, 1637265), (140, 1496928), (155, 1352064), (160, 1309812), (168, 1247440), (186, 1126720), (192, 1091510), (210, 997952), (217, 965760), (224, 935580), (240, 873208), (248, 845040), (280, 748464), (310, 676032), (320, 654906), (336, 623720), (372, 563360), (384, 545755), (420, 498976), (434, 482880), (448, 467790), (465, 450688), (480, 436604), (496, 422520), (503, 416640), (560, 374232), (620, 338016), (640, 327453), (651, 321920), (672, 311860), (744, 281680), (840, 249488), (868, 241440), (896, 233895), (930, 225344), (960, 218302), (992, 211260), (1006, 208320), (1085, 193152), (1120, 187116), (1240, 169008), (1302, 160960), (1344, 155930), (1488, 140840), (1509, 138880), (1680, 124744), (1736, 120720), (1860, 112672), (1920, 109151), (1984, 105630), (2012, 104160), (2170, 96576), (2240, 93558), (2480, 84504), (2515, 83328), (2604, 80480), (2688, 77965), (2976, 70420), (3018, 69440), (3255, 64384), (3360, 62372), (3472, 60360), (3521, 59520), (3720, 56336), (3968, 52815), (4024, 52080), (4340, 48288), (4480, 46779), (4960, 42252), (5030, 41664), (5208, 40240), (5952, 35210), (6036, 34720), (6510, 32192), (6720, 31186), (6944, 30180), (7042, 29760), (7440, 28168), (7545, 27776), (8048, 26040), (8680, 24144), (9920, 21126), (10060, 20832), (10416, 20120), (10563, 19840), (11904, 17605), (12072, 17360), (13020, 16096), (13440, 15593), (13888, 15090), (14084, 14880)]