68398920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{189997}}^1$

素因数の和:190014

約数の個数: 48

約数和(自身を含む): 222297660

約数和(自身を除く): 153898740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 189997, 379994, 569991, 759988, 949985, 1139982, 1519976, 1709973, 1899970, 2279964, 2849955, 3419946, 3799940, 4559928, 5699910, 6839892, 7599880, 8549865, 11399820, 13679784, 17099730, 22799640, 34199460, 68398920]

約数ペア:

[(1, 68398920), (2, 34199460), (3, 22799640), (4, 17099730), (5, 13679784), (6, 11399820), (8, 8549865), (9, 7599880), (10, 6839892), (12, 5699910), (15, 4559928), (18, 3799940), (20, 3419946), (24, 2849955), (30, 2279964), (36, 1899970), (40, 1709973), (45, 1519976), (60, 1139982), (72, 949985), (90, 759988), (120, 569991), (180, 379994), (360, 189997)]