210455280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 320

約数和(自身を含む): 857088000

約数和(自身を除く): 646632720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 336, 360, 372, 378, 420, 432, 434, 449, 465, 496, 504, 540, 558, 560, 620, 630, 651, 720, 744, 756, 837, 840, 868, 898, 930, 945, 1008, 1080, 1085, 1116, 1240, 1260, 1302, 1347, 1395, 1488, 1512, 1674, 1680, 1736, 1796, 1860, 1890, 1953, 2160, 2170, 2232, 2245, 2480, 2520, 2604, 2694, 2790, 3024, 3143, 3255, 3348, 3472, 3592, 3720, 3780, 3906, 4041, 4185, 4340, 4464, 4490, 5040, 5208, 5388, 5580, 5859, 6286, 6510, 6696, 6735, 7184, 7440, 7560, 7812, 8082, 8370, 8680, 8980, 9429, 9765, 10416, 10776, 11160, 11718, 12123, 12572, 13020, 13392, 13470, 13919, 15120, 15624, 15715, 16164, 16740, 17360, 17960, 18858, 19530, 20205, 21552, 22320, 23436, 24246, 25144, 26040, 26940, 27838, 28287, 29295, 31248, 31430, 32328, 33480, 35920, 37716, 39060, 40410, 41757, 46872, 47145, 48492, 50288, 52080, 53880, 55676, 56574, 58590, 60615, 62860, 64656, 66960, 69595, 75432, 78120, 80820, 83514, 84861, 93744, 94290, 96984, 97433, 107760, 111352, 113148, 117180, 121230, 125271, 125720, 139190, 141435, 150864, 156240, 161640, 167028, 169722, 188580, 193968, 194866, 208785, 222704, 226296, 234360, 242460, 250542, 251440, 278380, 282870, 292299, 323280, 334056, 339444, 375813, 377160, 389732, 417570, 424305, 452592, 468720, 484920, 487165, 501084, 556760, 565740, 584598, 626355, 668112, 678888, 751626, 754320, 779464, 835140, 848610, 876897, 969840, 974330, 1002168, 1113520, 1131480, 1169196, 1252710, 1357776, 1461495, 1503252, 1558928, 1670280, 1697220, 1753794, 1879065, 1948660, 2004336, 2262960, 2338392, 2505420, 2630691, 2922990, 3006504, 3340560, 3394440, 3507588, 3758130, 3897320, 4384485, 4676784, 5010840, 5261382, 5845980, 6013008, 6788880, 7015176, 7516260, 7794640, 8768970, 10021680, 10522764, 11691960, 13153455, 14030352, 15032520, 17537940, 21045528, 23383920, 26306910, 30065040, 35075880, 42091056, 52613820, 70151760, 105227640, 210455280]

約数ペア:

[(1, 210455280), (2, 105227640), (3, 70151760), (4, 52613820), (5, 42091056), (6, 35075880), (7, 30065040), (8, 26306910), (9, 23383920), (10, 21045528), (12, 17537940), (14, 15032520), (15, 14030352), (16, 13153455), (18, 11691960), (20, 10522764), (21, 10021680), (24, 8768970), (27, 7794640), (28, 7516260), (30, 7015176), (31, 6788880), (35, 6013008), (36, 5845980), (40, 5261382), (42, 5010840), (45, 4676784), (48, 4384485), (54, 3897320), (56, 3758130), (60, 3507588), (62, 3394440), (63, 3340560), (70, 3006504), (72, 2922990), (80, 2630691), (84, 2505420), (90, 2338392), (93, 2262960), (105, 2004336), (108, 1948660), (112, 1879065), (120, 1753794), (124, 1697220), (126, 1670280), (135, 1558928), (140, 1503252), (144, 1461495), (155, 1357776), (168, 1252710), (180, 1169196), (186, 1131480), (189, 1113520), (210, 1002168), (216, 974330), (217, 969840), (240, 876897), (248, 848610), (252, 835140), (270, 779464), (279, 754320), (280, 751626), (310, 678888), (315, 668112), (336, 626355), (360, 584598), (372, 565740), (378, 556760), (420, 501084), (432, 487165), (434, 484920), (449, 468720), (465, 452592), (496, 424305), (504, 417570), (540, 389732), (558, 377160), (560, 375813), (620, 339444), (630, 334056), (651, 323280), (720, 292299), (744, 282870), (756, 278380), (837, 251440), (840, 250542), (868, 242460), (898, 234360), (930, 226296), (945, 222704), (1008, 208785), (1080, 194866), (1085, 193968), (1116, 188580), (1240, 169722), (1260, 167028), (1302, 161640), (1347, 156240), (1395, 150864), (1488, 141435), (1512, 139190), (1674, 125720), (1680, 125271), (1736, 121230), (1796, 117180), (1860, 113148), (1890, 111352), (1953, 107760), (2160, 97433), (2170, 96984), (2232, 94290), (2245, 93744), (2480, 84861), (2520, 83514), (2604, 80820), (2694, 78120), (2790, 75432), (3024, 69595), (3143, 66960), (3255, 64656), (3348, 62860), (3472, 60615), (3592, 58590), (3720, 56574), (3780, 55676), (3906, 53880), (4041, 52080), (4185, 50288), (4340, 48492), (4464, 47145), (4490, 46872), (5040, 41757), (5208, 40410), (5388, 39060), (5580, 37716), (5859, 35920), (6286, 33480), (6510, 32328), (6696, 31430), (6735, 31248), (7184, 29295), (7440, 28287), (7560, 27838), (7812, 26940), (8082, 26040), (8370, 25144), (8680, 24246), (8980, 23436), (9429, 22320), (9765, 21552), (10416, 20205), (10776, 19530), (11160, 18858), (11718, 17960), (12123, 17360), (12572, 16740), (13020, 16164), (13392, 15715), (13470, 15624), (13919, 15120)]