1980684888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 256

約数和(自身を含む): 6341099520

約数和(自身を除く): 4360414632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 56, 74, 78, 84, 91, 104, 111, 127, 148, 156, 168, 182, 193, 222, 254, 259, 273, 296, 312, 364, 381, 386, 444, 481, 508, 518, 546, 579, 728, 762, 772, 777, 888, 889, 962, 1016, 1036, 1092, 1158, 1351, 1443, 1524, 1544, 1554, 1651, 1778, 1924, 2072, 2184, 2316, 2509, 2667, 2702, 2886, 3048, 3108, 3302, 3367, 3556, 3848, 4053, 4632, 4699, 4953, 5018, 5334, 5404, 5772, 6216, 6604, 6734, 7112, 7141, 7527, 8106, 9398, 9906, 10036, 10101, 10668, 10808, 11544, 11557, 13208, 13468, 14097, 14282, 15054, 16212, 17563, 18796, 19812, 20072, 20202, 21336, 21423, 23114, 24511, 26936, 28194, 28564, 30108, 32424, 32893, 34671, 35126, 37592, 39624, 40404, 42846, 46228, 49022, 49987, 52689, 56388, 57128, 60216, 61087, 65786, 69342, 70252, 73533, 80808, 85692, 92456, 92833, 98044, 98679, 99974, 105378, 112776, 122174, 131572, 138684, 140504, 147066, 149961, 171384, 171577, 183261, 185666, 196088, 197358, 199948, 210756, 244348, 263144, 277368, 278499, 294132, 299922, 318643, 343154, 366522, 371332, 394716, 399896, 421512, 427609, 488696, 514731, 556998, 588264, 599844, 637286, 649831, 686308, 733044, 742664, 789432, 855218, 906907, 955929, 1029462, 1113996, 1199688, 1274572, 1282827, 1299662, 1372616, 1466088, 1710436, 1813814, 1911858, 1949493, 2058924, 2227992, 2230501, 2549144, 2565654, 2599324, 2720721, 3420872, 3627628, 3823716, 3898986, 4117848, 4461002, 5131308, 5198648, 5441442, 6348349, 6691503, 7255256, 7647432, 7797972, 8922004, 10262616, 10882884, 11789791, 12696698, 13383006, 15595944, 17844008, 19045047, 21765768, 23579582, 25393396, 26766012, 35369373, 38090094, 47159164, 50786792, 53532024, 70738746, 76180188, 82528537, 94318328, 141477492, 152360376, 165057074, 247585611, 282954984, 330114148, 495171222, 660228296, 990342444, 1980684888]

約数ペア:

[(1, 1980684888), (2, 990342444), (3, 660228296), (4, 495171222), (6, 330114148), (7, 282954984), (8, 247585611), (12, 165057074), (13, 152360376), (14, 141477492), (21, 94318328), (24, 82528537), (26, 76180188), (28, 70738746), (37, 53532024), (39, 50786792), (42, 47159164), (52, 38090094), (56, 35369373), (74, 26766012), (78, 25393396), (84, 23579582), (91, 21765768), (104, 19045047), (111, 17844008), (127, 15595944), (148, 13383006), (156, 12696698), (168, 11789791), (182, 10882884), (193, 10262616), (222, 8922004), (254, 7797972), (259, 7647432), (273, 7255256), (296, 6691503), (312, 6348349), (364, 5441442), (381, 5198648), (386, 5131308), (444, 4461002), (481, 4117848), (508, 3898986), (518, 3823716), (546, 3627628), (579, 3420872), (728, 2720721), (762, 2599324), (772, 2565654), (777, 2549144), (888, 2230501), (889, 2227992), (962, 2058924), (1016, 1949493), (1036, 1911858), (1092, 1813814), (1158, 1710436), (1351, 1466088), (1443, 1372616), (1524, 1299662), (1544, 1282827), (1554, 1274572), (1651, 1199688), (1778, 1113996), (1924, 1029462), (2072, 955929), (2184, 906907), (2316, 855218), (2509, 789432), (2667, 742664), (2702, 733044), (2886, 686308), (3048, 649831), (3108, 637286), (3302, 599844), (3367, 588264), (3556, 556998), (3848, 514731), (4053, 488696), (4632, 427609), (4699, 421512), (4953, 399896), (5018, 394716), (5334, 371332), (5404, 366522), (5772, 343154), (6216, 318643), (6604, 299922), (6734, 294132), (7112, 278499), (7141, 277368), (7527, 263144), (8106, 244348), (9398, 210756), (9906, 199948), (10036, 197358), (10101, 196088), (10668, 185666), (10808, 183261), (11544, 171577), (11557, 171384), (13208, 149961), (13468, 147066), (14097, 140504), (14282, 138684), (15054, 131572), (16212, 122174), (17563, 112776), (18796, 105378), (19812, 99974), (20072, 98679), (20202, 98044), (21336, 92833), (21423, 92456), (23114, 85692), (24511, 80808), (26936, 73533), (28194, 70252), (28564, 69342), (30108, 65786), (32424, 61087), (32893, 60216), (34671, 57128), (35126, 56388), (37592, 52689), (39624, 49987), (40404, 49022), (42846, 46228)]