51788340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6749

約数の個数: 72

約数和(自身を含む): 160768608

約数和(自身を除く): 108980268

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, 6691, 7740, 13382, 20073, 26764, 33455, 40146, 60219, 66910, 80292, 100365, 120438, 133820, 200730, 240876, 287713, 301095, 401460, 575426, 602190, 863139, 1150852, 1204380, 1438565, 1726278, 2589417, 2877130, 3452556, 4315695, 5178834, 5754260, 8631390, 10357668, 12947085, 17262780, 25894170, 51788340]

約数ペア:

[(1, 51788340), (2, 25894170), (3, 17262780), (4, 12947085), (5, 10357668), (6, 8631390), (9, 5754260), (10, 5178834), (12, 4315695), (15, 3452556), (18, 2877130), (20, 2589417), (30, 1726278), (36, 1438565), (43, 1204380), (45, 1150852), (60, 863139), (86, 602190), (90, 575426), (129, 401460), (172, 301095), (180, 287713), (215, 240876), (258, 200730), (387, 133820), (430, 120438), (516, 100365), (645, 80292), (774, 66910), (860, 60219), (1290, 40146), (1548, 33455), (1935, 26764), (2580, 20073), (3870, 13382), (6691, 7740)]