80417120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3779}}^1$

素因数の和:3820

約数の個数: 96

約数和(自身を含む): 228614400

約数和(自身を除く): 148197280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 3779, 4256, 5320, 7558, 10640, 15116, 18895, 21280, 26453, 30232, 37790, 52906, 60464, 71801, 75580, 105812, 120928, 132265, 143602, 151160, 211624, 264530, 287204, 302320, 359005, 423248, 502607, 529060, 574408, 604640, 718010, 846496, 1005214, 1058120, 1148816, 1436020, 2010428, 2116240, 2297632, 2513035, 2872040, 4020856, 4232480, 5026070, 5744080, 8041712, 10052140, 11488160, 16083424, 20104280, 40208560, 80417120]

約数ペア:

[(1, 80417120), (2, 40208560), (4, 20104280), (5, 16083424), (7, 11488160), (8, 10052140), (10, 8041712), (14, 5744080), (16, 5026070), (19, 4232480), (20, 4020856), (28, 2872040), (32, 2513035), (35, 2297632), (38, 2116240), (40, 2010428), (56, 1436020), (70, 1148816), (76, 1058120), (80, 1005214), (95, 846496), (112, 718010), (133, 604640), (140, 574408), (152, 529060), (160, 502607), (190, 423248), (224, 359005), (266, 302320), (280, 287204), (304, 264530), (380, 211624), (532, 151160), (560, 143602), (608, 132265), (665, 120928), (760, 105812), (1064, 75580), (1120, 71801), (1330, 60464), (1520, 52906), (2128, 37790), (2660, 30232), (3040, 26453), (3779, 21280), (4256, 18895), (5320, 15116), (7558, 10640)]