28101960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 91990080

約数和(自身を除く): 63888120

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, 251, 311, 360, 502, 622, 753, 933, 1004, 1244, 1255, 1506, 1555, 1866, 2008, 2259, 2488, 2510, 2799, 3012, 3110, 3732, 3765, 4518, 4665, 5020, 5598, 6024, 6220, 7464, 7530, 9036, 9330, 10040, 11196, 11295, 12440, 13995, 15060, 18072, 18660, 22392, 22590, 27990, 30120, 37320, 45180, 55980, 78061, 90360, 111960, 156122, 234183, 312244, 390305, 468366, 624488, 702549, 780610, 936732, 1170915, 1405098, 1561220, 1873464, 2341830, 2810196, 3122440, 3512745, 4683660, 5620392, 7025490, 9367320, 14050980, 28101960]

約数ペア:

[(1, 28101960), (2, 14050980), (3, 9367320), (4, 7025490), (5, 5620392), (6, 4683660), (8, 3512745), (9, 3122440), (10, 2810196), (12, 2341830), (15, 1873464), (18, 1561220), (20, 1405098), (24, 1170915), (30, 936732), (36, 780610), (40, 702549), (45, 624488), (60, 468366), (72, 390305), (90, 312244), (120, 234183), (180, 156122), (251, 111960), (311, 90360), (360, 78061), (502, 55980), (622, 45180), (753, 37320), (933, 30120), (1004, 27990), (1244, 22590), (1255, 22392), (1506, 18660), (1555, 18072), (1866, 15060), (2008, 13995), (2259, 12440), (2488, 11295), (2510, 11196), (2799, 10040), (3012, 9330), (3110, 9036), (3732, 7530), (3765, 7464), (4518, 6220), (4665, 6024), (5020, 5598)]