261213120

素因数分解:

$2^6\times 3^3\times 5^1\times 7^2\times {\mathrm{617}}^1$

素因数の和:657

約数の個数: 336

約数和(自身を含む): 1073688480

約数和(自身を除く): 812475360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 192, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 320, 336, 360, 378, 392, 420, 432, 441, 448, 480, 490, 504, 540, 560, 576, 588, 617, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 960, 980, 1008, 1080, 1120, 1176, 1234, 1260, 1323, 1344, 1440, 1470, 1512, 1568, 1680, 1728, 1764, 1851, 1890, 1960, 2016, 2160, 2205, 2240, 2352, 2468, 2520, 2646, 2880, 2940, 3024, 3085, 3136, 3360, 3528, 3702, 3780, 3920, 4032, 4319, 4320, 4410, 4704, 4936, 5040, 5292, 5553, 5880, 6048, 6170, 6615, 6720, 7056, 7404, 7560, 7840, 8638, 8640, 8820, 9255, 9408, 9872, 10080, 10584, 11106, 11760, 12096, 12340, 12957, 13230, 14112, 14808, 15120, 15680, 16659, 17276, 17640, 18510, 19744, 20160, 21168, 21595, 22212, 23520, 24680, 25914, 26460, 27765, 28224, 29616, 30233, 30240, 33318, 34552, 35280, 37020, 38871, 39488, 42336, 43190, 44424, 47040, 49360, 51828, 52920, 55530, 59232, 60466, 60480, 64785, 66636, 69104, 70560, 74040, 77742, 83295, 84672, 86380, 88848, 90699, 98720, 103656, 105840, 111060, 116613, 118464, 120932, 129570, 133272, 138208, 141120, 148080, 151165, 155484, 166590, 172760, 177696, 181398, 194355, 197440, 207312, 211680, 222120, 233226, 241864, 259140, 266544, 272097, 276416, 296160, 302330, 310968, 333180, 345520, 355392, 362796, 388710, 414624, 423360, 444240, 453495, 466452, 483728, 518280, 533088, 544194, 583065, 592320, 604660, 621936, 666360, 691040, 725592, 777420, 816291, 829248, 888480, 906990, 932904, 967456, 1036560, 1066176, 1088388, 1166130, 1209320, 1243872, 1332720, 1360485, 1382080, 1451184, 1554840, 1632582, 1776960, 1813980, 1865808, 1934912, 2073120, 2176776, 2332260, 2418640, 2487744, 2665440, 2720970, 2902368, 3109680, 3265164, 3627960, 3731616, 4081455, 4146240, 4353552, 4664520, 4837280, 5330880, 5441940, 5804736, 6219360, 6530328, 7255920, 7463232, 8162910, 8707104, 9329040, 9674560, 10883880, 12438720, 13060656, 14511840, 16325820, 17414208, 18658080, 21767760, 26121312, 29023680, 32651640, 37316160, 43535520, 52242624, 65303280, 87071040, 130606560, 261213120]

約数ペア:

[(1, 261213120), (2, 130606560), (3, 87071040), (4, 65303280), (5, 52242624), (6, 43535520), (7, 37316160), (8, 32651640), (9, 29023680), (10, 26121312), (12, 21767760), (14, 18658080), (15, 17414208), (16, 16325820), (18, 14511840), (20, 13060656), (21, 12438720), (24, 10883880), (27, 9674560), (28, 9329040), (30, 8707104), (32, 8162910), (35, 7463232), (36, 7255920), (40, 6530328), (42, 6219360), (45, 5804736), (48, 5441940), (49, 5330880), (54, 4837280), (56, 4664520), (60, 4353552), (63, 4146240), (64, 4081455), (70, 3731616), (72, 3627960), (80, 3265164), (84, 3109680), (90, 2902368), (96, 2720970), (98, 2665440), (105, 2487744), (108, 2418640), (112, 2332260), (120, 2176776), (126, 2073120), (135, 1934912), (140, 1865808), (144, 1813980), (147, 1776960), (160, 1632582), (168, 1554840), (180, 1451184), (189, 1382080), (192, 1360485), (196, 1332720), (210, 1243872), (216, 1209320), (224, 1166130), (240, 1088388), (245, 1066176), (252, 1036560), (270, 967456), (280, 932904), (288, 906990), (294, 888480), (315, 829248), (320, 816291), (336, 777420), (360, 725592), (378, 691040), (392, 666360), (420, 621936), (432, 604660), (441, 592320), (448, 583065), (480, 544194), (490, 533088), (504, 518280), (540, 483728), (560, 466452), (576, 453495), (588, 444240), (617, 423360), (630, 414624), (672, 388710), (720, 362796), (735, 355392), (756, 345520), (784, 333180), (840, 310968), (864, 302330), (882, 296160), (945, 276416), (960, 272097), (980, 266544), (1008, 259140), (1080, 241864), (1120, 233226), (1176, 222120), (1234, 211680), (1260, 207312), (1323, 197440), (1344, 194355), (1440, 181398), (1470, 177696), (1512, 172760), (1568, 166590), (1680, 155484), (1728, 151165), (1764, 148080), (1851, 141120), (1890, 138208), (1960, 133272), (2016, 129570), (2160, 120932), (2205, 118464), (2240, 116613), (2352, 111060), (2468, 105840), (2520, 103656), (2646, 98720), (2880, 90699), (2940, 88848), (3024, 86380), (3085, 84672), (3136, 83295), (3360, 77742), (3528, 74040), (3702, 70560), (3780, 69104), (3920, 66636), (4032, 64785), (4319, 60480), (4320, 60466), (4410, 59232), (4704, 55530), (4936, 52920), (5040, 51828), (5292, 49360), (5553, 47040), (5880, 44424), (6048, 43190), (6170, 42336), (6615, 39488), (6720, 38871), (7056, 37020), (7404, 35280), (7560, 34552), (7840, 33318), (8638, 30240), (8640, 30233), (8820, 29616), (9255, 28224), (9408, 27765), (9872, 26460), (10080, 25914), (10584, 24680), (11106, 23520), (11760, 22212), (12096, 21595), (12340, 21168), (12957, 20160), (13230, 19744), (14112, 18510), (14808, 17640), (15120, 17276), (15680, 16659)]