27690320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 74245248

約数和(自身を除く): 46554928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 251, 280, 394, 502, 560, 788, 985, 1004, 1255, 1379, 1576, 1757, 1970, 2008, 2510, 2758, 3152, 3514, 3940, 4016, 5020, 5516, 6895, 7028, 7880, 8785, 10040, 11032, 13790, 14056, 15760, 17570, 20080, 22064, 27580, 28112, 35140, 49447, 55160, 70280, 98894, 110320, 140560, 197788, 247235, 346129, 395576, 494470, 692258, 791152, 988940, 1384516, 1730645, 1977880, 2769032, 3461290, 3955760, 5538064, 6922580, 13845160, 27690320]

約数ペア:

[(1, 27690320), (2, 13845160), (4, 6922580), (5, 5538064), (7, 3955760), (8, 3461290), (10, 2769032), (14, 1977880), (16, 1730645), (20, 1384516), (28, 988940), (35, 791152), (40, 692258), (56, 494470), (70, 395576), (80, 346129), (112, 247235), (140, 197788), (197, 140560), (251, 110320), (280, 98894), (394, 70280), (502, 55160), (560, 49447), (788, 35140), (985, 28112), (1004, 27580), (1255, 22064), (1379, 20080), (1576, 17570), (1757, 15760), (1970, 14056), (2008, 13790), (2510, 11032), (2758, 10040), (3152, 8785), (3514, 7880), (3940, 7028), (4016, 6895), (5020, 5516)]