2177785840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{3019}}^1$

素因数の和:3230

約数の個数: 80

約数和(自身を含む): 5176811520

約数和(自身を除く): 2999025680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 127, 142, 254, 284, 355, 508, 568, 635, 710, 1016, 1136, 1270, 1420, 2032, 2540, 2840, 3019, 5080, 5680, 6038, 9017, 10160, 12076, 15095, 18034, 24152, 30190, 36068, 45085, 48304, 60380, 72136, 90170, 120760, 144272, 180340, 214349, 241520, 360680, 383413, 428698, 721360, 766826, 857396, 1071745, 1533652, 1714792, 1917065, 2143490, 3067304, 3429584, 3834130, 4286980, 6134608, 7668260, 8573960, 15336520, 17147920, 27222323, 30673040, 54444646, 108889292, 136111615, 217778584, 272223230, 435557168, 544446460, 1088892920, 2177785840]

約数ペア:

[(1, 2177785840), (2, 1088892920), (4, 544446460), (5, 435557168), (8, 272223230), (10, 217778584), (16, 136111615), (20, 108889292), (40, 54444646), (71, 30673040), (80, 27222323), (127, 17147920), (142, 15336520), (254, 8573960), (284, 7668260), (355, 6134608), (508, 4286980), (568, 3834130), (635, 3429584), (710, 3067304), (1016, 2143490), (1136, 1917065), (1270, 1714792), (1420, 1533652), (2032, 1071745), (2540, 857396), (2840, 766826), (3019, 721360), (5080, 428698), (5680, 383413), (6038, 360680), (9017, 241520), (10160, 214349), (12076, 180340), (15095, 144272), (18034, 120760), (24152, 90170), (30190, 72136), (36068, 60380), (45085, 48304)]