15212520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{42257}}^1$

素因数の和:42274

約数の個数: 48

約数和(自身を含む): 49441860

約数和(自身を除く): 34229340

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, 42257, 84514, 126771, 169028, 211285, 253542, 338056, 380313, 422570, 507084, 633855, 760626, 845140, 1014168, 1267710, 1521252, 1690280, 1901565, 2535420, 3042504, 3803130, 5070840, 7606260, 15212520]

約数ペア:

[(1, 15212520), (2, 7606260), (3, 5070840), (4, 3803130), (5, 3042504), (6, 2535420), (8, 1901565), (9, 1690280), (10, 1521252), (12, 1267710), (15, 1014168), (18, 845140), (20, 760626), (24, 633855), (30, 507084), (36, 422570), (40, 380313), (45, 338056), (60, 253542), (72, 211285), (90, 169028), (120, 126771), (180, 84514), (360, 42257)]