641245248

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 280

約数和(自身を含む): 2230550784

約数和(自身を除く): 1589305536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 48, 54, 56, 63, 64, 72, 81, 82, 84, 96, 108, 112, 123, 126, 144, 162, 164, 168, 189, 192, 216, 224, 246, 252, 287, 288, 324, 328, 336, 369, 378, 431, 432, 448, 492, 504, 567, 574, 576, 648, 656, 672, 738, 756, 861, 862, 864, 984, 1008, 1107, 1134, 1148, 1293, 1296, 1312, 1344, 1476, 1512, 1722, 1724, 1728, 1968, 2016, 2214, 2268, 2296, 2583, 2586, 2592, 2624, 2952, 3017, 3024, 3321, 3444, 3448, 3879, 3936, 4032, 4428, 4536, 4592, 5166, 5172, 5184, 5904, 6034, 6048, 6642, 6888, 6896, 7749, 7758, 7872, 8856, 9051, 9072, 9184, 10332, 10344, 11637, 11808, 12068, 12096, 13284, 13776, 13792, 15498, 15516, 17671, 17712, 18102, 18144, 18368, 20664, 20688, 23247, 23274, 23616, 24136, 26568, 27153, 27552, 27584, 30996, 31032, 34911, 35342, 35424, 36204, 36288, 41328, 41376, 46494, 46548, 48272, 53013, 53136, 54306, 55104, 61992, 62064, 69822, 70684, 70848, 72408, 81459, 82656, 82752, 92988, 93096, 96544, 106026, 106272, 108612, 123697, 123984, 124128, 139644, 141368, 144816, 159039, 162918, 165312, 185976, 186192, 193088, 212052, 212544, 217224, 244377, 247394, 247968, 248256, 279288, 282736, 289632, 318078, 325836, 371091, 371952, 372384, 424104, 434448, 477117, 488754, 494788, 495936, 558576, 565472, 579264, 636156, 651672, 742182, 743904, 744768, 848208, 868896, 954234, 977508, 989576, 1113273, 1117152, 1130944, 1272312, 1303344, 1431351, 1484364, 1487808, 1696416, 1737792, 1908468, 1955016, 1979152, 2226546, 2234304, 2544624, 2606688, 2862702, 2968728, 3339819, 3392832, 3816936, 3910032, 3958304, 4453092, 5089248, 5213376, 5725404, 5937456, 6679638, 7633872, 7820064, 7916608, 8906184, 10019457, 10178496, 11450808, 11874912, 13359276, 15267744, 15640128, 17812368, 20038914, 22901616, 23749824, 26718552, 30535488, 35624736, 40077828, 45803232, 53437104, 71249472, 80155656, 91606464, 106874208, 160311312, 213748416, 320622624, 641245248]

約数ペア:

[(1, 641245248), (2, 320622624), (3, 213748416), (4, 160311312), (6, 106874208), (7, 91606464), (8, 80155656), (9, 71249472), (12, 53437104), (14, 45803232), (16, 40077828), (18, 35624736), (21, 30535488), (24, 26718552), (27, 23749824), (28, 22901616), (32, 20038914), (36, 17812368), (41, 15640128), (42, 15267744), (48, 13359276), (54, 11874912), (56, 11450808), (63, 10178496), (64, 10019457), (72, 8906184), (81, 7916608), (82, 7820064), (84, 7633872), (96, 6679638), (108, 5937456), (112, 5725404), (123, 5213376), (126, 5089248), (144, 4453092), (162, 3958304), (164, 3910032), (168, 3816936), (189, 3392832), (192, 3339819), (216, 2968728), (224, 2862702), (246, 2606688), (252, 2544624), (287, 2234304), (288, 2226546), (324, 1979152), (328, 1955016), (336, 1908468), (369, 1737792), (378, 1696416), (431, 1487808), (432, 1484364), (448, 1431351), (492, 1303344), (504, 1272312), (567, 1130944), (574, 1117152), (576, 1113273), (648, 989576), (656, 977508), (672, 954234), (738, 868896), (756, 848208), (861, 744768), (862, 743904), (864, 742182), (984, 651672), (1008, 636156), (1107, 579264), (1134, 565472), (1148, 558576), (1293, 495936), (1296, 494788), (1312, 488754), (1344, 477117), (1476, 434448), (1512, 424104), (1722, 372384), (1724, 371952), (1728, 371091), (1968, 325836), (2016, 318078), (2214, 289632), (2268, 282736), (2296, 279288), (2583, 248256), (2586, 247968), (2592, 247394), (2624, 244377), (2952, 217224), (3017, 212544), (3024, 212052), (3321, 193088), (3444, 186192), (3448, 185976), (3879, 165312), (3936, 162918), (4032, 159039), (4428, 144816), (4536, 141368), (4592, 139644), (5166, 124128), (5172, 123984), (5184, 123697), (5904, 108612), (6034, 106272), (6048, 106026), (6642, 96544), (6888, 93096), (6896, 92988), (7749, 82752), (7758, 82656), (7872, 81459), (8856, 72408), (9051, 70848), (9072, 70684), (9184, 69822), (10332, 62064), (10344, 61992), (11637, 55104), (11808, 54306), (12068, 53136), (12096, 53013), (13284, 48272), (13776, 46548), (13792, 46494), (15498, 41376), (15516, 41328), (17671, 36288), (17712, 36204), (18102, 35424), (18144, 35342), (18368, 34911), (20664, 31032), (20688, 30996), (23247, 27584), (23274, 27552), (23616, 27153), (24136, 26568)]