51138180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6607}}^1$

素因数の和:6665

約数の個数: 72

約数和(自身を含む): 158750592

約数和(自身を除く): 107612412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 6607, 7740, 13214, 19821, 26428, 33035, 39642, 59463, 66070, 79284, 99105, 118926, 132140, 198210, 237852, 284101, 297315, 396420, 568202, 594630, 852303, 1136404, 1189260, 1420505, 1704606, 2556909, 2841010, 3409212, 4261515, 5113818, 5682020, 8523030, 10227636, 12784545, 17046060, 25569090, 51138180]

約数ペア:

[(1, 51138180), (2, 25569090), (3, 17046060), (4, 12784545), (5, 10227636), (6, 8523030), (9, 5682020), (10, 5113818), (12, 4261515), (15, 3409212), (18, 2841010), (20, 2556909), (30, 1704606), (36, 1420505), (43, 1189260), (45, 1136404), (60, 852303), (86, 594630), (90, 568202), (129, 396420), (172, 297315), (180, 284101), (215, 237852), (258, 198210), (387, 132140), (430, 118926), (516, 99105), (645, 79284), (774, 66070), (860, 59463), (1290, 39642), (1548, 33035), (1935, 26428), (2580, 19821), (3870, 13214), (6607, 7740)]