64782540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{733}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 197175888

約数和(自身を除く): 132393348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 733, 982, 1466, 1473, 1964, 2199, 2455, 2932, 2946, 3665, 4398, 4419, 4910, 5892, 6597, 7330, 7365, 8796, 8838, 9820, 10995, 13194, 14660, 14730, 17676, 21990, 22095, 26388, 29460, 32985, 43980, 44190, 65970, 88380, 131940, 359903, 719806, 1079709, 1439612, 1799515, 2159418, 3239127, 3599030, 4318836, 5398545, 6478254, 7198060, 10797090, 12956508, 16195635, 21594180, 32391270, 64782540]

約数ペア:

[(1, 64782540), (2, 32391270), (3, 21594180), (4, 16195635), (5, 12956508), (6, 10797090), (9, 7198060), (10, 6478254), (12, 5398545), (15, 4318836), (18, 3599030), (20, 3239127), (30, 2159418), (36, 1799515), (45, 1439612), (60, 1079709), (90, 719806), (180, 359903), (491, 131940), (733, 88380), (982, 65970), (1466, 44190), (1473, 43980), (1964, 32985), (2199, 29460), (2455, 26388), (2932, 22095), (2946, 21990), (3665, 17676), (4398, 14730), (4419, 14660), (4910, 13194), (5892, 10995), (6597, 9820), (7330, 8838), (7365, 8796)]