81141240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29399}}^1$

素因数の和:29436

約数の個数: 64

約数和(自身を含む): 254016000

約数和(自身を除く): 172874760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29399, 58798, 88197, 117596, 146995, 176394, 235192, 293990, 352788, 440985, 587980, 676177, 705576, 881970, 1175960, 1352354, 1763940, 2028531, 2704708, 3380885, 3527880, 4057062, 5409416, 6761770, 8114124, 10142655, 13523540, 16228248, 20285310, 27047080, 40570620, 81141240]

約数ペア:

[(1, 81141240), (2, 40570620), (3, 27047080), (4, 20285310), (5, 16228248), (6, 13523540), (8, 10142655), (10, 8114124), (12, 6761770), (15, 5409416), (20, 4057062), (23, 3527880), (24, 3380885), (30, 2704708), (40, 2028531), (46, 1763940), (60, 1352354), (69, 1175960), (92, 881970), (115, 705576), (120, 676177), (138, 587980), (184, 440985), (230, 352788), (276, 293990), (345, 235192), (460, 176394), (552, 146995), (690, 117596), (920, 88197), (1380, 58798), (2760, 29399)]