281920500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{6961}}^1$

素因数の和:6992

約数の個数: 120

約数和(自身を含む): 919902984

約数和(自身を除く): 637982484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 405, 450, 500, 540, 675, 750, 810, 900, 1125, 1350, 1500, 1620, 2025, 2250, 2700, 3375, 4050, 4500, 6750, 6961, 8100, 10125, 13500, 13922, 20250, 20883, 27844, 34805, 40500, 41766, 62649, 69610, 83532, 104415, 125298, 139220, 174025, 187947, 208830, 250596, 313245, 348050, 375894, 417660, 522075, 563841, 626490, 696100, 751788, 870125, 939735, 1044150, 1127682, 1252980, 1566225, 1740250, 1879470, 2088300, 2255364, 2610375, 2819205, 3132450, 3480500, 3758940, 4698675, 5220750, 5638410, 6264900, 7831125, 9397350, 10441500, 11276820, 14096025, 15662250, 18794700, 23493375, 28192050, 31324500, 46986750, 56384100, 70480125, 93973500, 140960250, 281920500]

約数ペア:

[(1, 281920500), (2, 140960250), (3, 93973500), (4, 70480125), (5, 56384100), (6, 46986750), (9, 31324500), (10, 28192050), (12, 23493375), (15, 18794700), (18, 15662250), (20, 14096025), (25, 11276820), (27, 10441500), (30, 9397350), (36, 7831125), (45, 6264900), (50, 5638410), (54, 5220750), (60, 4698675), (75, 3758940), (81, 3480500), (90, 3132450), (100, 2819205), (108, 2610375), (125, 2255364), (135, 2088300), (150, 1879470), (162, 1740250), (180, 1566225), (225, 1252980), (250, 1127682), (270, 1044150), (300, 939735), (324, 870125), (375, 751788), (405, 696100), (450, 626490), (500, 563841), (540, 522075), (675, 417660), (750, 375894), (810, 348050), (900, 313245), (1125, 250596), (1350, 208830), (1500, 187947), (1620, 174025), (2025, 139220), (2250, 125298), (2700, 104415), (3375, 83532), (4050, 69610), (4500, 62649), (6750, 41766), (6961, 40500), (8100, 34805), (10125, 27844), (13500, 20883), (13922, 20250)]