1277872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{36037}}^1$

素因数の和:36249

約数の個数: 72

約数和(自身を含む): 3895996104

約数和(自身を除く): 2618124084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 17730, 35460, 36037, 72074, 108111, 144148, 180185, 216222, 324333, 360370, 432444, 540555, 648666, 720740, 1081110, 1297332, 1621665, 2162220, 3243330, 6486660, 7099289, 14198578, 21297867, 28397156, 35496445, 42595734, 63893601, 70992890, 85191468, 106489335, 127787202, 141985780, 212978670, 255574404, 319468005, 425957340, 638936010, 1277872020]

約数ペア:

[(1, 1277872020), (2, 638936010), (3, 425957340), (4, 319468005), (5, 255574404), (6, 212978670), (9, 141985780), (10, 127787202), (12, 106489335), (15, 85191468), (18, 70992890), (20, 63893601), (30, 42595734), (36, 35496445), (45, 28397156), (60, 21297867), (90, 14198578), (180, 7099289), (197, 6486660), (394, 3243330), (591, 2162220), (788, 1621665), (985, 1297332), (1182, 1081110), (1773, 720740), (1970, 648666), (2364, 540555), (2955, 432444), (3546, 360370), (3940, 324333), (5910, 216222), (7092, 180185), (8865, 144148), (11820, 108111), (17730, 72074), (35460, 36037)]