123212520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{342257}}^1$

素因数の和:342274

約数の個数: 48

約数和(自身を含む): 400441860

約数和(自身を除く): 277229340

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, 342257, 684514, 1026771, 1369028, 1711285, 2053542, 2738056, 3080313, 3422570, 4107084, 5133855, 6160626, 6845140, 8214168, 10267710, 12321252, 13690280, 15401565, 20535420, 24642504, 30803130, 41070840, 61606260, 123212520]

約数ペア:

[(1, 123212520), (2, 61606260), (3, 41070840), (4, 30803130), (5, 24642504), (6, 20535420), (8, 15401565), (9, 13690280), (10, 12321252), (12, 10267710), (15, 8214168), (18, 6845140), (20, 6160626), (24, 5133855), (30, 4107084), (36, 3422570), (40, 3080313), (45, 2738056), (60, 2053542), (72, 1711285), (90, 1369028), (120, 1026771), (180, 684514), (360, 342257)]