80739756

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{12391}}^1$

素因数の和:12582

約数の個数: 36

約数和(自身を含む): 205236304

約数和(自身を除く): 124496548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 12391, 24782, 37173, 49564, 74346, 111519, 148692, 223038, 446076, 2242771, 4485542, 6728313, 8971084, 13456626, 20184939, 26913252, 40369878, 80739756]

約数ペア:

[(1, 80739756), (2, 40369878), (3, 26913252), (4, 20184939), (6, 13456626), (9, 8971084), (12, 6728313), (18, 4485542), (36, 2242771), (181, 446076), (362, 223038), (543, 148692), (724, 111519), (1086, 74346), (1629, 49564), (2172, 37173), (3258, 24782), (6516, 12391)]