121237720

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6173}}^1$

素因数の和:6675

約数の個数: 32

約数和(自身を含む): 273384720

約数和(自身を除く): 152147000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 6173, 9820, 12346, 19640, 24692, 30865, 49384, 61730, 123460, 246920, 3030943, 6061886, 12123772, 15154715, 24247544, 30309430, 60618860, 121237720]

約数ペア:

[(1, 121237720), (2, 60618860), (4, 30309430), (5, 24247544), (8, 15154715), (10, 12123772), (20, 6061886), (40, 3030943), (491, 246920), (982, 123460), (1964, 61730), (2455, 49384), (3928, 30865), (4910, 24692), (6173, 19640), (9820, 12346)]