1606640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 4523520

約数和(自身を除く): 2916880

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, 151, 152, 190, 266, 280, 302, 304, 380, 532, 560, 604, 665, 755, 760, 1057, 1064, 1208, 1330, 1510, 1520, 2114, 2128, 2416, 2660, 2869, 3020, 4228, 5285, 5320, 5738, 6040, 8456, 10570, 10640, 11476, 12080, 14345, 16912, 20083, 21140, 22952, 28690, 40166, 42280, 45904, 57380, 80332, 84560, 100415, 114760, 160664, 200830, 229520, 321328, 401660, 803320, 1606640]

約数ペア:

[(1, 1606640), (2, 803320), (4, 401660), (5, 321328), (7, 229520), (8, 200830), (10, 160664), (14, 114760), (16, 100415), (19, 84560), (20, 80332), (28, 57380), (35, 45904), (38, 42280), (40, 40166), (56, 28690), (70, 22952), (76, 21140), (80, 20083), (95, 16912), (112, 14345), (133, 12080), (140, 11476), (151, 10640), (152, 10570), (190, 8456), (266, 6040), (280, 5738), (302, 5320), (304, 5285), (380, 4228), (532, 3020), (560, 2869), (604, 2660), (665, 2416), (755, 2128), (760, 2114), (1057, 1520), (1064, 1510), (1208, 1330)]