31680768

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 98896896

約数和(自身を除く): 67216128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 83, 84, 96, 112, 128, 142, 166, 168, 192, 213, 224, 249, 256, 284, 332, 336, 384, 426, 448, 497, 498, 568, 581, 664, 672, 768, 852, 896, 994, 996, 1136, 1162, 1328, 1344, 1491, 1704, 1743, 1792, 1988, 1992, 2272, 2324, 2656, 2688, 2982, 3408, 3486, 3976, 3984, 4544, 4648, 5312, 5376, 5893, 5964, 6816, 6972, 7952, 7968, 9088, 9296, 10624, 11786, 11928, 13632, 13944, 15904, 15936, 17679, 18176, 18592, 21248, 23572, 23856, 27264, 27888, 31808, 31872, 35358, 37184, 41251, 47144, 47712, 54528, 55776, 63616, 63744, 70716, 74368, 82502, 94288, 95424, 111552, 123753, 127232, 141432, 148736, 165004, 188576, 190848, 223104, 247506, 282864, 330008, 377152, 381696, 446208, 495012, 565728, 660016, 754304, 990024, 1131456, 1320032, 1508608, 1980048, 2262912, 2640064, 3960096, 4525824, 5280128, 7920192, 10560256, 15840384, 31680768]

約数ペア:

[(1, 31680768), (2, 15840384), (3, 10560256), (4, 7920192), (6, 5280128), (7, 4525824), (8, 3960096), (12, 2640064), (14, 2262912), (16, 1980048), (21, 1508608), (24, 1320032), (28, 1131456), (32, 990024), (42, 754304), (48, 660016), (56, 565728), (64, 495012), (71, 446208), (83, 381696), (84, 377152), (96, 330008), (112, 282864), (128, 247506), (142, 223104), (166, 190848), (168, 188576), (192, 165004), (213, 148736), (224, 141432), (249, 127232), (256, 123753), (284, 111552), (332, 95424), (336, 94288), (384, 82502), (426, 74368), (448, 70716), (497, 63744), (498, 63616), (568, 55776), (581, 54528), (664, 47712), (672, 47144), (768, 41251), (852, 37184), (896, 35358), (994, 31872), (996, 31808), (1136, 27888), (1162, 27264), (1328, 23856), (1344, 23572), (1491, 21248), (1704, 18592), (1743, 18176), (1792, 17679), (1988, 15936), (1992, 15904), (2272, 13944), (2324, 13632), (2656, 11928), (2688, 11786), (2982, 10624), (3408, 9296), (3486, 9088), (3976, 7968), (3984, 7952), (4544, 6972), (4648, 6816), (5312, 5964), (5376, 5893)]