2670640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 7499520

約数和(自身を除く): 4828880

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, 251, 266, 280, 304, 380, 502, 532, 560, 665, 760, 1004, 1064, 1255, 1330, 1520, 1757, 2008, 2128, 2510, 2660, 3514, 4016, 4769, 5020, 5320, 7028, 8785, 9538, 10040, 10640, 14056, 17570, 19076, 20080, 23845, 28112, 33383, 35140, 38152, 47690, 66766, 70280, 76304, 95380, 133532, 140560, 166915, 190760, 267064, 333830, 381520, 534128, 667660, 1335320, 2670640]

約数ペア:

[(1, 2670640), (2, 1335320), (4, 667660), (5, 534128), (7, 381520), (8, 333830), (10, 267064), (14, 190760), (16, 166915), (19, 140560), (20, 133532), (28, 95380), (35, 76304), (38, 70280), (40, 66766), (56, 47690), (70, 38152), (76, 35140), (80, 33383), (95, 28112), (112, 23845), (133, 20080), (140, 19076), (152, 17570), (190, 14056), (251, 10640), (266, 10040), (280, 9538), (304, 8785), (380, 7028), (502, 5320), (532, 5020), (560, 4769), (665, 4016), (760, 3514), (1004, 2660), (1064, 2510), (1255, 2128), (1330, 2008), (1520, 1757)]