128438910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 356908032

約数和(自身を除く): 228469122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 127, 153, 170, 254, 255, 306, 381, 510, 635, 661, 762, 765, 1143, 1270, 1322, 1530, 1905, 1983, 2159, 2286, 3305, 3810, 3966, 4318, 5715, 5949, 6477, 6610, 9915, 10795, 11237, 11430, 11898, 12954, 19431, 19830, 21590, 22474, 29745, 32385, 33711, 38862, 56185, 59490, 64770, 67422, 83947, 97155, 101133, 112370, 167894, 168555, 194310, 202266, 251841, 337110, 419735, 503682, 505665, 755523, 839470, 1011330, 1259205, 1427099, 1511046, 2518410, 2854198, 3777615, 4281297, 7135495, 7555230, 8562594, 12843891, 14270990, 21406485, 25687782, 42812970, 64219455, 128438910]

約数ペア:

[(1, 128438910), (2, 64219455), (3, 42812970), (5, 25687782), (6, 21406485), (9, 14270990), (10, 12843891), (15, 8562594), (17, 7555230), (18, 7135495), (30, 4281297), (34, 3777615), (45, 2854198), (51, 2518410), (85, 1511046), (90, 1427099), (102, 1259205), (127, 1011330), (153, 839470), (170, 755523), (254, 505665), (255, 503682), (306, 419735), (381, 337110), (510, 251841), (635, 202266), (661, 194310), (762, 168555), (765, 167894), (1143, 112370), (1270, 101133), (1322, 97155), (1530, 83947), (1905, 67422), (1983, 64770), (2159, 59490), (2286, 56185), (3305, 38862), (3810, 33711), (3966, 32385), (4318, 29745), (5715, 22474), (5949, 21590), (6477, 19830), (6610, 19431), (9915, 12954), (10795, 11898), (11237, 11430)]