78851220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{953}}^1$

素因数の和:1169

約数の個数: 96

約数和(自身を含む): 253870848

約数和(自身を除く): 175019628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 953, 985, 1182, 1379, 1906, 1970, 2364, 2758, 2859, 2955, 3812, 3940, 4137, 4765, 5516, 5718, 5910, 6671, 6895, 8274, 9530, 11436, 11820, 13342, 13790, 14295, 16548, 19060, 20013, 20685, 26684, 27580, 28590, 33355, 40026, 41370, 57180, 66710, 80052, 82740, 100065, 133420, 187741, 200130, 375482, 400260, 563223, 750964, 938705, 1126446, 1314187, 1877410, 2252892, 2628374, 2816115, 3754820, 3942561, 5256748, 5632230, 6570935, 7885122, 11264460, 13141870, 15770244, 19712805, 26283740, 39425610, 78851220]

約数ペア:

[(1, 78851220), (2, 39425610), (3, 26283740), (4, 19712805), (5, 15770244), (6, 13141870), (7, 11264460), (10, 7885122), (12, 6570935), (14, 5632230), (15, 5256748), (20, 3942561), (21, 3754820), (28, 2816115), (30, 2628374), (35, 2252892), (42, 1877410), (60, 1314187), (70, 1126446), (84, 938705), (105, 750964), (140, 563223), (197, 400260), (210, 375482), (394, 200130), (420, 187741), (591, 133420), (788, 100065), (953, 82740), (985, 80052), (1182, 66710), (1379, 57180), (1906, 41370), (1970, 40026), (2364, 33355), (2758, 28590), (2859, 27580), (2955, 26684), (3812, 20685), (3940, 20013), (4137, 19060), (4765, 16548), (5516, 14295), (5718, 13790), (5910, 13342), (6671, 11820), (6895, 11436), (8274, 9530)]