257665464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 890791200

約数和(自身を除く): 633125736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 29, 34, 36, 42, 51, 56, 58, 61, 63, 68, 72, 84, 87, 102, 116, 119, 122, 126, 136, 153, 168, 174, 183, 203, 204, 232, 238, 244, 252, 261, 289, 306, 348, 357, 366, 406, 408, 427, 476, 488, 493, 504, 522, 549, 578, 609, 612, 696, 714, 732, 812, 854, 867, 952, 986, 1037, 1044, 1071, 1098, 1156, 1218, 1224, 1281, 1428, 1464, 1479, 1624, 1708, 1734, 1769, 1827, 1972, 2023, 2074, 2088, 2142, 2196, 2312, 2436, 2562, 2601, 2856, 2958, 3111, 3416, 3451, 3468, 3538, 3654, 3843, 3944, 4046, 4148, 4284, 4392, 4437, 4872, 5124, 5202, 5307, 5916, 6069, 6222, 6902, 6936, 7076, 7259, 7308, 7686, 8092, 8296, 8381, 8568, 8874, 9333, 10248, 10353, 10404, 10614, 11832, 12138, 12383, 12444, 13804, 14152, 14518, 14616, 15372, 15921, 16184, 16762, 17629, 17748, 18207, 18666, 20706, 20808, 21228, 21777, 24276, 24766, 24888, 25143, 27608, 29036, 30073, 30744, 31059, 31842, 33524, 35258, 35496, 36414, 37149, 37332, 41412, 42456, 43554, 48552, 49532, 50286, 52887, 58072, 58667, 60146, 62118, 63684, 65331, 67048, 70516, 72828, 74298, 74664, 75429, 82824, 87108, 90219, 99064, 100572, 105774, 111447, 117334, 120292, 123403, 124236, 127368, 130662, 141032, 145656, 148596, 150858, 158661, 174216, 176001, 180438, 201144, 210511, 211548, 222894, 234668, 240584, 246806, 248472, 261324, 270657, 297192, 301716, 317322, 352002, 360876, 370209, 421022, 423096, 445788, 469336, 493612, 511241, 522648, 528003, 541314, 603432, 631533, 634644, 704004, 721752, 740418, 842044, 891576, 987224, 1022482, 1056006, 1082628, 1110627, 1263066, 1269288, 1408008, 1480836, 1533723, 1684088, 1894599, 2044964, 2112012, 2165256, 2221254, 2526132, 2961672, 3067446, 3578687, 3789198, 4089928, 4224024, 4442508, 4601169, 5052264, 6134892, 7157374, 7578396, 8885016, 9202338, 10736061, 12269784, 14314748, 15156792, 18404676, 21472122, 28629496, 32208183, 36809352, 42944244, 64416366, 85888488, 128832732, 257665464]

約数ペア:

[(1, 257665464), (2, 128832732), (3, 85888488), (4, 64416366), (6, 42944244), (7, 36809352), (8, 32208183), (9, 28629496), (12, 21472122), (14, 18404676), (17, 15156792), (18, 14314748), (21, 12269784), (24, 10736061), (28, 9202338), (29, 8885016), (34, 7578396), (36, 7157374), (42, 6134892), (51, 5052264), (56, 4601169), (58, 4442508), (61, 4224024), (63, 4089928), (68, 3789198), (72, 3578687), (84, 3067446), (87, 2961672), (102, 2526132), (116, 2221254), (119, 2165256), (122, 2112012), (126, 2044964), (136, 1894599), (153, 1684088), (168, 1533723), (174, 1480836), (183, 1408008), (203, 1269288), (204, 1263066), (232, 1110627), (238, 1082628), (244, 1056006), (252, 1022482), (261, 987224), (289, 891576), (306, 842044), (348, 740418), (357, 721752), (366, 704004), (406, 634644), (408, 631533), (427, 603432), (476, 541314), (488, 528003), (493, 522648), (504, 511241), (522, 493612), (549, 469336), (578, 445788), (609, 423096), (612, 421022), (696, 370209), (714, 360876), (732, 352002), (812, 317322), (854, 301716), (867, 297192), (952, 270657), (986, 261324), (1037, 248472), (1044, 246806), (1071, 240584), (1098, 234668), (1156, 222894), (1218, 211548), (1224, 210511), (1281, 201144), (1428, 180438), (1464, 176001), (1479, 174216), (1624, 158661), (1708, 150858), (1734, 148596), (1769, 145656), (1827, 141032), (1972, 130662), (2023, 127368), (2074, 124236), (2088, 123403), (2142, 120292), (2196, 117334), (2312, 111447), (2436, 105774), (2562, 100572), (2601, 99064), (2856, 90219), (2958, 87108), (3111, 82824), (3416, 75429), (3451, 74664), (3468, 74298), (3538, 72828), (3654, 70516), (3843, 67048), (3944, 65331), (4046, 63684), (4148, 62118), (4284, 60146), (4392, 58667), (4437, 58072), (4872, 52887), (5124, 50286), (5202, 49532), (5307, 48552), (5916, 43554), (6069, 42456), (6222, 41412), (6902, 37332), (6936, 37149), (7076, 36414), (7259, 35496), (7308, 35258), (7686, 33524), (8092, 31842), (8296, 31059), (8381, 30744), (8568, 30073), (8874, 29036), (9333, 27608), (10248, 25143), (10353, 24888), (10404, 24766), (10614, 24276), (11832, 21777), (12138, 21228), (12383, 20808), (12444, 20706), (13804, 18666), (14152, 18207), (14518, 17748), (14616, 17629), (15372, 16762), (15921, 16184)]