20180899872

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3187}}^1$

素因数の和:3565

約数の個数: 240

約数和(自身を含む): 68045947200

約数和(自身を除く): 47865047328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 349, 378, 432, 504, 567, 648, 672, 698, 756, 864, 1008, 1047, 1134, 1296, 1396, 1512, 2016, 2094, 2268, 2443, 2592, 2792, 3024, 3141, 3187, 4188, 4536, 4886, 5584, 6048, 6282, 6374, 7329, 8376, 9072, 9423, 9561, 9772, 11168, 12564, 12748, 14658, 16752, 18144, 18846, 19122, 19544, 21987, 22309, 25128, 25496, 28269, 28683, 29316, 33504, 37692, 38244, 39088, 43974, 44618, 50256, 50992, 56538, 57366, 58632, 65961, 66927, 75384, 76488, 78176, 86049, 87948, 89236, 100512, 101984, 113076, 114732, 117264, 131922, 133854, 150768, 152976, 172098, 175896, 178472, 197883, 200781, 226152, 229464, 234528, 258147, 263844, 267708, 301536, 305952, 344196, 351792, 356944, 395766, 401562, 452304, 458928, 516294, 527688, 535416, 602343, 688392, 703584, 713888, 791532, 803124, 904608, 917856, 1032588, 1055376, 1070832, 1112263, 1204686, 1376784, 1583064, 1606248, 1807029, 2065176, 2110752, 2141664, 2224526, 2409372, 2753568, 3166128, 3212496, 3336789, 3614058, 4130352, 4449052, 4818744, 6332256, 6424992, 6673578, 7228116, 7785841, 8260704, 8898104, 9637488, 10010367, 13347156, 14456232, 15571682, 17796208, 19274976, 20020734, 23357523, 26694312, 28912464, 30031101, 31143364, 35592416, 40041468, 46715046, 53388624, 57824928, 60062202, 62286728, 70072569, 80082936, 90093303, 93430092, 106777248, 120124404, 124573456, 140145138, 160165872, 180186606, 186860184, 210217707, 240248808, 249146912, 280290276, 320331744, 360373212, 373720368, 420435414, 480497616, 560580552, 630653121, 720746424, 747440736, 840870828, 960995232, 1121161104, 1261306242, 1441492848, 1681741656, 2242322208, 2522612484, 2882985696, 3363483312, 5045224968, 6726966624, 10090449936, 20180899872]

約数ペア:

[(1, 20180899872), (2, 10090449936), (3, 6726966624), (4, 5045224968), (6, 3363483312), (7, 2882985696), (8, 2522612484), (9, 2242322208), (12, 1681741656), (14, 1441492848), (16, 1261306242), (18, 1121161104), (21, 960995232), (24, 840870828), (27, 747440736), (28, 720746424), (32, 630653121), (36, 560580552), (42, 480497616), (48, 420435414), (54, 373720368), (56, 360373212), (63, 320331744), (72, 280290276), (81, 249146912), (84, 240248808), (96, 210217707), (108, 186860184), (112, 180186606), (126, 160165872), (144, 140145138), (162, 124573456), (168, 120124404), (189, 106777248), (216, 93430092), (224, 90093303), (252, 80082936), (288, 70072569), (324, 62286728), (336, 60062202), (349, 57824928), (378, 53388624), (432, 46715046), (504, 40041468), (567, 35592416), (648, 31143364), (672, 30031101), (698, 28912464), (756, 26694312), (864, 23357523), (1008, 20020734), (1047, 19274976), (1134, 17796208), (1296, 15571682), (1396, 14456232), (1512, 13347156), (2016, 10010367), (2094, 9637488), (2268, 8898104), (2443, 8260704), (2592, 7785841), (2792, 7228116), (3024, 6673578), (3141, 6424992), (3187, 6332256), (4188, 4818744), (4536, 4449052), (4886, 4130352), (5584, 3614058), (6048, 3336789), (6282, 3212496), (6374, 3166128), (7329, 2753568), (8376, 2409372), (9072, 2224526), (9423, 2141664), (9561, 2110752), (9772, 2065176), (11168, 1807029), (12564, 1606248), (12748, 1583064), (14658, 1376784), (16752, 1204686), (18144, 1112263), (18846, 1070832), (19122, 1055376), (19544, 1032588), (21987, 917856), (22309, 904608), (25128, 803124), (25496, 791532), (28269, 713888), (28683, 703584), (29316, 688392), (33504, 602343), (37692, 535416), (38244, 527688), (39088, 516294), (43974, 458928), (44618, 452304), (50256, 401562), (50992, 395766), (56538, 356944), (57366, 351792), (58632, 344196), (65961, 305952), (66927, 301536), (75384, 267708), (76488, 263844), (78176, 258147), (86049, 234528), (87948, 229464), (89236, 226152), (100512, 200781), (101984, 197883), (113076, 178472), (114732, 175896), (117264, 172098), (131922, 152976), (133854, 150768)]