81858990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{4729}}^1$

素因数の和:5316

約数の個数: 32

約数和(自身を含む): 196843680

約数和(自身を除く): 114984690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 577, 1154, 1731, 2885, 3462, 4729, 5770, 8655, 9458, 14187, 17310, 23645, 28374, 47290, 70935, 141870, 2728633, 5457266, 8185899, 13643165, 16371798, 27286330, 40929495, 81858990]

約数ペア:

[(1, 81858990), (2, 40929495), (3, 27286330), (5, 16371798), (6, 13643165), (10, 8185899), (15, 5457266), (30, 2728633), (577, 141870), (1154, 70935), (1731, 47290), (2885, 28374), (3462, 23645), (4729, 17310), (5770, 14187), (8655, 9458)]