81262008

素因数分解:

$2^3\times 3^3\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2009

約数の個数: 64

約数和(自身を含む): 226924800

約数和(自身を除く): 145662792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 211, 216, 422, 633, 844, 1266, 1688, 1783, 1899, 2532, 3566, 3798, 5064, 5349, 5697, 7132, 7596, 10698, 11394, 14264, 15192, 16047, 21396, 22788, 32094, 42792, 45576, 48141, 64188, 96282, 128376, 192564, 376213, 385128, 752426, 1128639, 1504852, 2257278, 3009704, 3385917, 4514556, 6771834, 9029112, 10157751, 13543668, 20315502, 27087336, 40631004, 81262008]

約数ペア:

[(1, 81262008), (2, 40631004), (3, 27087336), (4, 20315502), (6, 13543668), (8, 10157751), (9, 9029112), (12, 6771834), (18, 4514556), (24, 3385917), (27, 3009704), (36, 2257278), (54, 1504852), (72, 1128639), (108, 752426), (211, 385128), (216, 376213), (422, 192564), (633, 128376), (844, 96282), (1266, 64188), (1688, 48141), (1783, 45576), (1899, 42792), (2532, 32094), (3566, 22788), (3798, 21396), (5064, 16047), (5349, 15192), (5697, 14264), (7132, 11394), (7596, 10698)]