781380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1447}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 2432640

約数和(自身を除く): 1651260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1447, 2894, 4341, 5788, 7235, 8682, 13023, 14470, 17364, 21705, 26046, 28940, 39069, 43410, 52092, 65115, 78138, 86820, 130230, 156276, 195345, 260460, 390690, 781380]

約数ペア:

[(1, 781380), (2, 390690), (3, 260460), (4, 195345), (5, 156276), (6, 130230), (9, 86820), (10, 78138), (12, 65115), (15, 52092), (18, 43410), (20, 39069), (27, 28940), (30, 26046), (36, 21705), (45, 17364), (54, 14470), (60, 13023), (90, 8682), (108, 7235), (135, 5788), (180, 4341), (270, 2894), (540, 1447)]