77885320520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9781}}^1\times {\mathrm{28439}}^1$

素因数の和:38238

約数の個数: 64

約数和(自身を含む): 200304057600

約数和(自身を除く): 122418737080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9781, 19562, 28439, 39124, 48905, 56878, 68467, 78248, 97810, 113756, 136934, 142195, 195620, 199073, 227512, 273868, 284390, 342335, 391240, 398146, 547736, 568780, 684670, 796292, 995365, 1137560, 1369340, 1592584, 1990730, 2738680, 3981460, 7962920, 278161859, 556323718, 1112647436, 1390809295, 1947133013, 2225294872, 2781618590, 3894266026, 5563237180, 7788532052, 9735665065, 11126474360, 15577064104, 19471330130, 38942660260, 77885320520]

約数ペア:

[(1, 77885320520), (2, 38942660260), (4, 19471330130), (5, 15577064104), (7, 11126474360), (8, 9735665065), (10, 7788532052), (14, 5563237180), (20, 3894266026), (28, 2781618590), (35, 2225294872), (40, 1947133013), (56, 1390809295), (70, 1112647436), (140, 556323718), (280, 278161859), (9781, 7962920), (19562, 3981460), (28439, 2738680), (39124, 1990730), (48905, 1592584), (56878, 1369340), (68467, 1137560), (78248, 995365), (97810, 796292), (113756, 684670), (136934, 568780), (142195, 547736), (195620, 398146), (199073, 391240), (227512, 342335), (273868, 284390)]