138225420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{255973}}^1$

素因数の和:255991

約数の個数: 48

約数和(自身を含む): 430036320

約数和(自身を除く): 291810900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 255973, 511946, 767919, 1023892, 1279865, 1535838, 2303757, 2559730, 3071676, 3839595, 4607514, 5119460, 6911271, 7679190, 9215028, 11518785, 13822542, 15358380, 23037570, 27645084, 34556355, 46075140, 69112710, 138225420]

約数ペア:

[(1, 138225420), (2, 69112710), (3, 46075140), (4, 34556355), (5, 27645084), (6, 23037570), (9, 15358380), (10, 13822542), (12, 11518785), (15, 9215028), (18, 7679190), (20, 6911271), (27, 5119460), (30, 4607514), (36, 3839595), (45, 3071676), (54, 2559730), (60, 2303757), (90, 1535838), (108, 1279865), (135, 1023892), (180, 767919), (270, 511946), (540, 255973)]