9709740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17981}}^1$

素因数の和:17999

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 20500020

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, 17981, 35962, 53943, 71924, 89905, 107886, 161829, 179810, 215772, 269715, 323658, 359620, 485487, 539430, 647316, 809145, 970974, 1078860, 1618290, 1941948, 2427435, 3236580, 4854870, 9709740]

約数ペア:

[(1, 9709740), (2, 4854870), (3, 3236580), (4, 2427435), (5, 1941948), (6, 1618290), (9, 1078860), (10, 970974), (12, 809145), (15, 647316), (18, 539430), (20, 485487), (27, 359620), (30, 323658), (36, 269715), (45, 215772), (54, 179810), (60, 161829), (90, 107886), (108, 89905), (135, 71924), (180, 53943), (270, 35962), (540, 17981)]