1981004544

素因数分解:

$2^8\times 3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 216

約数和(自身を含む): 5957336112

約数和(自身を除く): 3976331568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 67, 72, 82, 96, 123, 128, 134, 144, 164, 192, 201, 246, 256, 268, 288, 313, 328, 369, 384, 402, 492, 536, 576, 603, 626, 656, 738, 768, 804, 939, 984, 1072, 1152, 1206, 1252, 1312, 1476, 1608, 1878, 1968, 2144, 2304, 2412, 2504, 2624, 2747, 2817, 2952, 3216, 3756, 3936, 4288, 4824, 5008, 5248, 5494, 5634, 5904, 6432, 7512, 7872, 8241, 8576, 9648, 10016, 10496, 10988, 11268, 11808, 12833, 12864, 15024, 15744, 16482, 17152, 19296, 20032, 20971, 21976, 22536, 23616, 24723, 25666, 25728, 30048, 31488, 32964, 38499, 38592, 40064, 41942, 43952, 45072, 47232, 49446, 51332, 51456, 60096, 62913, 65928, 76998, 77184, 80128, 83884, 87904, 90144, 94464, 98892, 102664, 115497, 120192, 125826, 131856, 153996, 154368, 167768, 175808, 180288, 188739, 197784, 205328, 230994, 240384, 251652, 263712, 307992, 335536, 351616, 360576, 377478, 395568, 410656, 461988, 503304, 527424, 615984, 671072, 703232, 721152, 754956, 791136, 821312, 859811, 923976, 1006608, 1054848, 1231968, 1342144, 1509912, 1582272, 1642624, 1719622, 1847952, 2013216, 2109696, 2463936, 2579433, 2684288, 3019824, 3164544, 3285248, 3439244, 3695904, 4026432, 4927872, 5158866, 5368576, 6039648, 6329088, 6878488, 7391808, 7738299, 8052864, 9855744, 10317732, 12079296, 13756976, 14783616, 15476598, 16105728, 20635464, 24158592, 27513952, 29567232, 30953196, 41270928, 48317184, 55027904, 61906392, 82541856, 110055808, 123812784, 165083712, 220111616, 247625568, 330167424, 495251136, 660334848, 990502272, 1981004544]

約数ペア:

[(1, 1981004544), (2, 990502272), (3, 660334848), (4, 495251136), (6, 330167424), (8, 247625568), (9, 220111616), (12, 165083712), (16, 123812784), (18, 110055808), (24, 82541856), (32, 61906392), (36, 55027904), (41, 48317184), (48, 41270928), (64, 30953196), (67, 29567232), (72, 27513952), (82, 24158592), (96, 20635464), (123, 16105728), (128, 15476598), (134, 14783616), (144, 13756976), (164, 12079296), (192, 10317732), (201, 9855744), (246, 8052864), (256, 7738299), (268, 7391808), (288, 6878488), (313, 6329088), (328, 6039648), (369, 5368576), (384, 5158866), (402, 4927872), (492, 4026432), (536, 3695904), (576, 3439244), (603, 3285248), (626, 3164544), (656, 3019824), (738, 2684288), (768, 2579433), (804, 2463936), (939, 2109696), (984, 2013216), (1072, 1847952), (1152, 1719622), (1206, 1642624), (1252, 1582272), (1312, 1509912), (1476, 1342144), (1608, 1231968), (1878, 1054848), (1968, 1006608), (2144, 923976), (2304, 859811), (2412, 821312), (2504, 791136), (2624, 754956), (2747, 721152), (2817, 703232), (2952, 671072), (3216, 615984), (3756, 527424), (3936, 503304), (4288, 461988), (4824, 410656), (5008, 395568), (5248, 377478), (5494, 360576), (5634, 351616), (5904, 335536), (6432, 307992), (7512, 263712), (7872, 251652), (8241, 240384), (8576, 230994), (9648, 205328), (10016, 197784), (10496, 188739), (10988, 180288), (11268, 175808), (11808, 167768), (12833, 154368), (12864, 153996), (15024, 131856), (15744, 125826), (16482, 120192), (17152, 115497), (19296, 102664), (20032, 98892), (20971, 94464), (21976, 90144), (22536, 87904), (23616, 83884), (24723, 80128), (25666, 77184), (25728, 76998), (30048, 65928), (31488, 62913), (32964, 60096), (38499, 51456), (38592, 51332), (40064, 49446), (41942, 47232), (43952, 45072)]