1999401840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{925649}}^1$

素因数の和:925671

約数の個数: 80

約数和(自身を含む): 6886836000

約数和(自身を除く): 4887434160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 925649, 1851298, 2776947, 3702596, 4628245, 5553894, 7405192, 8330841, 9256490, 11107788, 13884735, 14810384, 16661682, 18512980, 22215576, 24992523, 27769470, 33323364, 37025960, 41654205, 44431152, 49985046, 55538940, 66646728, 74051920, 83308410, 99970092, 111077880, 124962615, 133293456, 166616820, 199940184, 222155760, 249925230, 333233640, 399880368, 499850460, 666467280, 999700920, 1999401840]

約数ペア:

[(1, 1999401840), (2, 999700920), (3, 666467280), (4, 499850460), (5, 399880368), (6, 333233640), (8, 249925230), (9, 222155760), (10, 199940184), (12, 166616820), (15, 133293456), (16, 124962615), (18, 111077880), (20, 99970092), (24, 83308410), (27, 74051920), (30, 66646728), (36, 55538940), (40, 49985046), (45, 44431152), (48, 41654205), (54, 37025960), (60, 33323364), (72, 27769470), (80, 24992523), (90, 22215576), (108, 18512980), (120, 16661682), (135, 14810384), (144, 13884735), (180, 11107788), (216, 9256490), (240, 8330841), (270, 7405192), (360, 5553894), (432, 4628245), (540, 3702596), (720, 2776947), (1080, 1851298), (2160, 925649)]