78198840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217219}}^1$

素因数の和:217236

約数の個数: 48

約数和(自身を含む): 254147400

約数和(自身を除く): 175948560

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, 217219, 434438, 651657, 868876, 1086095, 1303314, 1737752, 1954971, 2172190, 2606628, 3258285, 3909942, 4344380, 5213256, 6516570, 7819884, 8688760, 9774855, 13033140, 15639768, 19549710, 26066280, 39099420, 78198840]

約数ペア:

[(1, 78198840), (2, 39099420), (3, 26066280), (4, 19549710), (5, 15639768), (6, 13033140), (8, 9774855), (9, 8688760), (10, 7819884), (12, 6516570), (15, 5213256), (18, 4344380), (20, 3909942), (24, 3258285), (30, 2606628), (36, 2172190), (40, 1954971), (45, 1737752), (60, 1303314), (72, 1086095), (90, 868876), (120, 651657), (180, 434438), (360, 217219)]