251278160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{797}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 669707136

約数和(自身を除く): 418428976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 563, 797, 1126, 1594, 2252, 2815, 3188, 3941, 3985, 4504, 5579, 5630, 6376, 7882, 7970, 9008, 11158, 11260, 12752, 15764, 15940, 19705, 22316, 22520, 27895, 31528, 31880, 39410, 44632, 45040, 55790, 63056, 63760, 78820, 89264, 111580, 157640, 223160, 315280, 446320, 448711, 897422, 1794844, 2243555, 3140977, 3589688, 4487110, 6281954, 7179376, 8974220, 12563908, 15704885, 17948440, 25127816, 31409770, 35896880, 50255632, 62819540, 125639080, 251278160]

約数ペア:

[(1, 251278160), (2, 125639080), (4, 62819540), (5, 50255632), (7, 35896880), (8, 31409770), (10, 25127816), (14, 17948440), (16, 15704885), (20, 12563908), (28, 8974220), (35, 7179376), (40, 6281954), (56, 4487110), (70, 3589688), (80, 3140977), (112, 2243555), (140, 1794844), (280, 897422), (560, 448711), (563, 446320), (797, 315280), (1126, 223160), (1594, 157640), (2252, 111580), (2815, 89264), (3188, 78820), (3941, 63760), (3985, 63056), (4504, 55790), (5579, 45040), (5630, 44632), (6376, 39410), (7882, 31880), (7970, 31528), (9008, 27895), (11158, 22520), (11260, 22316), (12752, 19705), (15764, 15940)]