1986840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5519}}^1$

素因数の和:5536

約数の個数: 48

約数和(自身を含む): 6458400

約数和(自身を除く): 4471560

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, 5519, 11038, 16557, 22076, 27595, 33114, 44152, 49671, 55190, 66228, 82785, 99342, 110380, 132456, 165570, 198684, 220760, 248355, 331140, 397368, 496710, 662280, 993420, 1986840]

約数ペア:

[(1, 1986840), (2, 993420), (3, 662280), (4, 496710), (5, 397368), (6, 331140), (8, 248355), (9, 220760), (10, 198684), (12, 165570), (15, 132456), (18, 110380), (20, 99342), (24, 82785), (30, 66228), (36, 55190), (40, 49671), (45, 44152), (60, 33114), (72, 27595), (90, 22076), (120, 16557), (180, 11038), (360, 5519)]