71522820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2229

約数の個数: 72

約数和(自身を含む): 218161944

約数和(自身を除く): 146639124

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, 2017, 2364, 2955, 3546, 3940, 4034, 5910, 6051, 7092, 8068, 8865, 10085, 11820, 12102, 17730, 18153, 20170, 24204, 30255, 35460, 36306, 40340, 60510, 72612, 90765, 121020, 181530, 363060, 397349, 794698, 1192047, 1589396, 1986745, 2384094, 3576141, 3973490, 4768188, 5960235, 7152282, 7946980, 11920470, 14304564, 17880705, 23840940, 35761410, 71522820]

約数ペア:

[(1, 71522820), (2, 35761410), (3, 23840940), (4, 17880705), (5, 14304564), (6, 11920470), (9, 7946980), (10, 7152282), (12, 5960235), (15, 4768188), (18, 3973490), (20, 3576141), (30, 2384094), (36, 1986745), (45, 1589396), (60, 1192047), (90, 794698), (180, 397349), (197, 363060), (394, 181530), (591, 121020), (788, 90765), (985, 72612), (1182, 60510), (1773, 40340), (1970, 36306), (2017, 35460), (2364, 30255), (2955, 24204), (3546, 20170), (3940, 18153), (4034, 17730), (5910, 12102), (6051, 11820), (7092, 10085), (8068, 8865)]