138855240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385709}}^1$

素因数の和:385726

約数の個数: 48

約数和(自身を含む): 451280700

約数和(自身を除く): 312425460

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, 385709, 771418, 1157127, 1542836, 1928545, 2314254, 3085672, 3471381, 3857090, 4628508, 5785635, 6942762, 7714180, 9257016, 11571270, 13885524, 15428360, 17356905, 23142540, 27771048, 34713810, 46285080, 69427620, 138855240]

約数ペア:

[(1, 138855240), (2, 69427620), (3, 46285080), (4, 34713810), (5, 27771048), (6, 23142540), (8, 17356905), (9, 15428360), (10, 13885524), (12, 11571270), (15, 9257016), (18, 7714180), (20, 6942762), (24, 5785635), (30, 4628508), (36, 3857090), (40, 3471381), (45, 3085672), (60, 2314254), (72, 1928545), (90, 1542836), (120, 1157127), (180, 771418), (360, 385709)]