81691008

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{30391}}^1$

素因数の和:30415

約数の個数: 64

約数和(自身を含む): 247998720

約数和(自身を除く): 166307712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 30391, 60782, 91173, 121564, 182346, 212737, 243128, 364692, 425474, 486256, 638211, 729384, 850948, 972512, 1276422, 1458768, 1701896, 1945024, 2552844, 2917536, 3403792, 3890048, 5105688, 5835072, 6807584, 10211376, 11670144, 13615168, 20422752, 27230336, 40845504, 81691008]

約数ペア:

[(1, 81691008), (2, 40845504), (3, 27230336), (4, 20422752), (6, 13615168), (7, 11670144), (8, 10211376), (12, 6807584), (14, 5835072), (16, 5105688), (21, 3890048), (24, 3403792), (28, 2917536), (32, 2552844), (42, 1945024), (48, 1701896), (56, 1458768), (64, 1276422), (84, 972512), (96, 850948), (112, 729384), (128, 638211), (168, 486256), (192, 425474), (224, 364692), (336, 243128), (384, 212737), (448, 182346), (672, 121564), (896, 91173), (1344, 60782), (2688, 30391)]