65406420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121123}}^1$

素因数の和:121141

約数の個数: 48

約数和(自身を含む): 203488320

約数和(自身を除く): 138081900

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, 121123, 242246, 363369, 484492, 605615, 726738, 1090107, 1211230, 1453476, 1816845, 2180214, 2422460, 3270321, 3633690, 4360428, 5450535, 6540642, 7267380, 10901070, 13081284, 16351605, 21802140, 32703210, 65406420]

約数ペア:

[(1, 65406420), (2, 32703210), (3, 21802140), (4, 16351605), (5, 13081284), (6, 10901070), (9, 7267380), (10, 6540642), (12, 5450535), (15, 4360428), (18, 3633690), (20, 3270321), (27, 2422460), (30, 2180214), (36, 1816845), (45, 1453476), (54, 1211230), (60, 1090107), (90, 726738), (108, 605615), (135, 484492), (180, 363369), (270, 242246), (540, 121123)]