131558840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{733}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 339284160

約数和(自身を除く): 207725320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 641, 733, 1282, 1466, 2564, 2932, 3205, 3665, 4487, 5128, 5131, 5864, 6410, 7330, 8974, 10262, 12820, 14660, 17948, 20524, 22435, 25640, 25655, 29320, 35896, 41048, 44870, 51310, 89740, 102620, 179480, 205240, 469853, 939706, 1879412, 2349265, 3288971, 3758824, 4698530, 6577942, 9397060, 13155884, 16444855, 18794120, 26311768, 32889710, 65779420, 131558840]

約数ペア:

[(1, 131558840), (2, 65779420), (4, 32889710), (5, 26311768), (7, 18794120), (8, 16444855), (10, 13155884), (14, 9397060), (20, 6577942), (28, 4698530), (35, 3758824), (40, 3288971), (56, 2349265), (70, 1879412), (140, 939706), (280, 469853), (641, 205240), (733, 179480), (1282, 102620), (1466, 89740), (2564, 51310), (2932, 44870), (3205, 41048), (3665, 35896), (4487, 29320), (5128, 25655), (5131, 25640), (5864, 22435), (6410, 20524), (7330, 17948), (8974, 14660), (10262, 12820)]