2520689920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{281327}}^1$

素因数の和:281355

約数の個数: 72

約数和(自身を含む): 6900413184

約数和(自身を除く): 4379723264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 281327, 562654, 1125308, 1406635, 1969289, 2250616, 2813270, 3938578, 4501232, 5626540, 7877156, 9002464, 9846445, 11253080, 15754312, 18004928, 19692890, 22506160, 31508624, 36009856, 39385780, 45012320, 63017248, 72019712, 78771560, 90024640, 126034496, 157543120, 180049280, 252068992, 315086240, 360098560, 504137984, 630172480, 1260344960, 2520689920]

約数ペア:

[(1, 2520689920), (2, 1260344960), (4, 630172480), (5, 504137984), (7, 360098560), (8, 315086240), (10, 252068992), (14, 180049280), (16, 157543120), (20, 126034496), (28, 90024640), (32, 78771560), (35, 72019712), (40, 63017248), (56, 45012320), (64, 39385780), (70, 36009856), (80, 31508624), (112, 22506160), (128, 19692890), (140, 18004928), (160, 15754312), (224, 11253080), (256, 9846445), (280, 9002464), (320, 7877156), (448, 5626540), (560, 4501232), (640, 3938578), (896, 2813270), (1120, 2250616), (1280, 1969289), (1792, 1406635), (2240, 1125308), (4480, 562654), (8960, 281327)]