81179460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450997}}^1$

素因数の和:451012

約数の個数: 36

約数和(自身を含む): 246244908

約数和(自身を除く): 165065448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450997, 901994, 1352991, 1803988, 2254985, 2705982, 4058973, 4509970, 5411964, 6764955, 8117946, 9019940, 13529910, 16235892, 20294865, 27059820, 40589730, 81179460]

約数ペア:

[(1, 81179460), (2, 40589730), (3, 27059820), (4, 20294865), (5, 16235892), (6, 13529910), (9, 9019940), (10, 8117946), (12, 6764955), (15, 5411964), (18, 4509970), (20, 4058973), (30, 2705982), (36, 2254985), (45, 1803988), (60, 1352991), (90, 901994), (180, 450997)]