81330816

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 250675200

約数和(自身を除く): 169344384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 128, 158, 168, 192, 224, 237, 316, 336, 383, 384, 448, 474, 553, 632, 672, 766, 896, 948, 1106, 1149, 1264, 1344, 1532, 1659, 1896, 2212, 2298, 2528, 2681, 2688, 3064, 3318, 3792, 4424, 4596, 5056, 5362, 6128, 6636, 7584, 8043, 8848, 9192, 10112, 10724, 12256, 13272, 15168, 16086, 17696, 18384, 21448, 24512, 26544, 30257, 30336, 32172, 35392, 36768, 42896, 49024, 53088, 60514, 64344, 70784, 73536, 85792, 90771, 106176, 121028, 128688, 147072, 171584, 181542, 211799, 212352, 242056, 257376, 343168, 363084, 423598, 484112, 514752, 635397, 726168, 847196, 968224, 1029504, 1270794, 1452336, 1694392, 1936448, 2541588, 2904672, 3388784, 3872896, 5083176, 5809344, 6777568, 10166352, 11618688, 13555136, 20332704, 27110272, 40665408, 81330816]

約数ペア:

[(1, 81330816), (2, 40665408), (3, 27110272), (4, 20332704), (6, 13555136), (7, 11618688), (8, 10166352), (12, 6777568), (14, 5809344), (16, 5083176), (21, 3872896), (24, 3388784), (28, 2904672), (32, 2541588), (42, 1936448), (48, 1694392), (56, 1452336), (64, 1270794), (79, 1029504), (84, 968224), (96, 847196), (112, 726168), (128, 635397), (158, 514752), (168, 484112), (192, 423598), (224, 363084), (237, 343168), (316, 257376), (336, 242056), (383, 212352), (384, 211799), (448, 181542), (474, 171584), (553, 147072), (632, 128688), (672, 121028), (766, 106176), (896, 90771), (948, 85792), (1106, 73536), (1149, 70784), (1264, 64344), (1344, 60514), (1532, 53088), (1659, 49024), (1896, 42896), (2212, 36768), (2298, 35392), (2528, 32172), (2681, 30336), (2688, 30257), (3064, 26544), (3318, 24512), (3792, 21448), (4424, 18384), (4596, 17696), (5056, 16086), (5362, 15168), (6128, 13272), (6636, 12256), (7584, 10724), (8043, 10112), (8848, 9192)]