81867744

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40609}}^1$

素因数の和:40632

約数の個数: 72

約数和(自身を含む): 266076720

約数和(自身を除く): 184208976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40609, 81218, 121827, 162436, 243654, 284263, 324872, 365481, 487308, 568526, 649744, 730962, 852789, 974616, 1137052, 1299488, 1461924, 1705578, 1949232, 2274104, 2558367, 2923848, 3411156, 3898464, 4548208, 5116734, 5847696, 6822312, 9096416, 10233468, 11695392, 13644624, 20466936, 27289248, 40933872, 81867744]

約数ペア:

[(1, 81867744), (2, 40933872), (3, 27289248), (4, 20466936), (6, 13644624), (7, 11695392), (8, 10233468), (9, 9096416), (12, 6822312), (14, 5847696), (16, 5116734), (18, 4548208), (21, 3898464), (24, 3411156), (28, 2923848), (32, 2558367), (36, 2274104), (42, 1949232), (48, 1705578), (56, 1461924), (63, 1299488), (72, 1137052), (84, 974616), (96, 852789), (112, 730962), (126, 649744), (144, 568526), (168, 487308), (224, 365481), (252, 324872), (288, 284263), (336, 243654), (504, 162436), (672, 121827), (1008, 81218), (2016, 40609)]