263117680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{733}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 701187264

約数和(自身を除く): 438069584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 641, 733, 1282, 1466, 2564, 2932, 3205, 3665, 4487, 5128, 5131, 5864, 6410, 7330, 8974, 10256, 10262, 11728, 12820, 14660, 17948, 20524, 22435, 25640, 25655, 29320, 35896, 41048, 44870, 51280, 51310, 58640, 71792, 82096, 89740, 102620, 179480, 205240, 358960, 410480, 469853, 939706, 1879412, 2349265, 3288971, 3758824, 4698530, 6577942, 7517648, 9397060, 13155884, 16444855, 18794120, 26311768, 32889710, 37588240, 52623536, 65779420, 131558840, 263117680]

約数ペア:

[(1, 263117680), (2, 131558840), (4, 65779420), (5, 52623536), (7, 37588240), (8, 32889710), (10, 26311768), (14, 18794120), (16, 16444855), (20, 13155884), (28, 9397060), (35, 7517648), (40, 6577942), (56, 4698530), (70, 3758824), (80, 3288971), (112, 2349265), (140, 1879412), (280, 939706), (560, 469853), (641, 410480), (733, 358960), (1282, 205240), (1466, 179480), (2564, 102620), (2932, 89740), (3205, 82096), (3665, 71792), (4487, 58640), (5128, 51310), (5131, 51280), (5864, 44870), (6410, 41048), (7330, 35896), (8974, 29320), (10256, 25655), (10262, 25640), (11728, 22435), (12820, 20524), (14660, 17948)]