65641520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{467}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 109847248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 467, 502, 560, 934, 1004, 1255, 1757, 1868, 2008, 2335, 2510, 3269, 3514, 3736, 4016, 4670, 5020, 6538, 7028, 7472, 8785, 9340, 10040, 13076, 14056, 16345, 17570, 18680, 20080, 26152, 28112, 32690, 35140, 37360, 52304, 65380, 70280, 117217, 130760, 140560, 234434, 261520, 468868, 586085, 820519, 937736, 1172170, 1641038, 1875472, 2344340, 3282076, 4102595, 4688680, 6564152, 8205190, 9377360, 13128304, 16410380, 32820760, 65641520]

約数ペア:

[(1, 65641520), (2, 32820760), (4, 16410380), (5, 13128304), (7, 9377360), (8, 8205190), (10, 6564152), (14, 4688680), (16, 4102595), (20, 3282076), (28, 2344340), (35, 1875472), (40, 1641038), (56, 1172170), (70, 937736), (80, 820519), (112, 586085), (140, 468868), (251, 261520), (280, 234434), (467, 140560), (502, 130760), (560, 117217), (934, 70280), (1004, 65380), (1255, 52304), (1757, 37360), (1868, 35140), (2008, 32690), (2335, 28112), (2510, 26152), (3269, 20080), (3514, 18680), (3736, 17570), (4016, 16345), (4670, 14056), (5020, 13076), (6538, 10040), (7028, 9340), (7472, 8785)]