1621491456

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^2$

素因数の和:120

約数の個数: 216

約数和(自身を含む): 4830666960

約数和(自身を除く): 3209175504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 169, 186, 192, 208, 248, 256, 312, 338, 372, 384, 403, 416, 496, 507, 624, 676, 744, 768, 806, 832, 961, 992, 1014, 1209, 1248, 1352, 1488, 1612, 1664, 1922, 1984, 2028, 2197, 2418, 2496, 2704, 2883, 2976, 3224, 3328, 3844, 3968, 4056, 4394, 4836, 4992, 5239, 5408, 5766, 5952, 6448, 6591, 7688, 7936, 8112, 8788, 9672, 9984, 10478, 10816, 11532, 11904, 12493, 12896, 13182, 15376, 15717, 16224, 17576, 19344, 20956, 21632, 23064, 23808, 24986, 25792, 26364, 30752, 31434, 32448, 35152, 37479, 38688, 41912, 43264, 46128, 49972, 51584, 52728, 61504, 62868, 64896, 68107, 70304, 74958, 77376, 83824, 92256, 99944, 103168, 105456, 123008, 125736, 129792, 136214, 140608, 149916, 154752, 162409, 167648, 184512, 199888, 204321, 210912, 246016, 251472, 272428, 281216, 299832, 309504, 324818, 335296, 369024, 399776, 408642, 421824, 487227, 502944, 544856, 562432, 599664, 649636, 670592, 738048, 799552, 817284, 843648, 974454, 1005888, 1089712, 1199328, 1299272, 1341184, 1599104, 1634568, 1687296, 1948908, 2011776, 2111317, 2179424, 2398656, 2598544, 3198208, 3269136, 3897816, 4023552, 4222634, 4358848, 4797312, 5197088, 6333951, 6538272, 7795632, 8445268, 8717696, 9594624, 10394176, 12667902, 13076544, 15591264, 16890536, 17435392, 20788352, 25335804, 26153088, 31182528, 33781072, 41576704, 50671608, 52306176, 62365056, 67562144, 101343216, 124730112, 135124288, 202686432, 270248576, 405372864, 540497152, 810745728, 1621491456]

約数ペア:

[(1, 1621491456), (2, 810745728), (3, 540497152), (4, 405372864), (6, 270248576), (8, 202686432), (12, 135124288), (13, 124730112), (16, 101343216), (24, 67562144), (26, 62365056), (31, 52306176), (32, 50671608), (39, 41576704), (48, 33781072), (52, 31182528), (62, 26153088), (64, 25335804), (78, 20788352), (93, 17435392), (96, 16890536), (104, 15591264), (124, 13076544), (128, 12667902), (156, 10394176), (169, 9594624), (186, 8717696), (192, 8445268), (208, 7795632), (248, 6538272), (256, 6333951), (312, 5197088), (338, 4797312), (372, 4358848), (384, 4222634), (403, 4023552), (416, 3897816), (496, 3269136), (507, 3198208), (624, 2598544), (676, 2398656), (744, 2179424), (768, 2111317), (806, 2011776), (832, 1948908), (961, 1687296), (992, 1634568), (1014, 1599104), (1209, 1341184), (1248, 1299272), (1352, 1199328), (1488, 1089712), (1612, 1005888), (1664, 974454), (1922, 843648), (1984, 817284), (2028, 799552), (2197, 738048), (2418, 670592), (2496, 649636), (2704, 599664), (2883, 562432), (2976, 544856), (3224, 502944), (3328, 487227), (3844, 421824), (3968, 408642), (4056, 399776), (4394, 369024), (4836, 335296), (4992, 324818), (5239, 309504), (5408, 299832), (5766, 281216), (5952, 272428), (6448, 251472), (6591, 246016), (7688, 210912), (7936, 204321), (8112, 199888), (8788, 184512), (9672, 167648), (9984, 162409), (10478, 154752), (10816, 149916), (11532, 140608), (11904, 136214), (12493, 129792), (12896, 125736), (13182, 123008), (15376, 105456), (15717, 103168), (16224, 99944), (17576, 92256), (19344, 83824), (20956, 77376), (21632, 74958), (23064, 70304), (23808, 68107), (24986, 64896), (25792, 62868), (26364, 61504), (30752, 52728), (31434, 51584), (32448, 49972), (35152, 46128), (37479, 43264), (38688, 41912)]