256179280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24077}}^1$

素因数の和:24116

約数の個数: 80

約数和(自身を含む): 716561280

約数和(自身を除く): 460382000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 24077, 48154, 96308, 120385, 168539, 192616, 240770, 337078, 385232, 457463, 481540, 674156, 842695, 914926, 963080, 1348312, 1685390, 1829852, 1926160, 2287315, 2696624, 3202241, 3370780, 3659704, 4574630, 6404482, 6741560, 7319408, 9149260, 12808964, 13483120, 16011205, 18298520, 25617928, 32022410, 36597040, 51235856, 64044820, 128089640, 256179280]

約数ペア:

[(1, 256179280), (2, 128089640), (4, 64044820), (5, 51235856), (7, 36597040), (8, 32022410), (10, 25617928), (14, 18298520), (16, 16011205), (19, 13483120), (20, 12808964), (28, 9149260), (35, 7319408), (38, 6741560), (40, 6404482), (56, 4574630), (70, 3659704), (76, 3370780), (80, 3202241), (95, 2696624), (112, 2287315), (133, 1926160), (140, 1829852), (152, 1685390), (190, 1348312), (266, 963080), (280, 914926), (304, 842695), (380, 674156), (532, 481540), (560, 457463), (665, 385232), (760, 337078), (1064, 240770), (1330, 192616), (1520, 168539), (2128, 120385), (2660, 96308), (5320, 48154), (10640, 24077)]