90894780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1823}}^1$

素因数の和:2115

約数の個数: 72

約数和(自身を含む): 276861312

約数和(自身を除く): 185966532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 1823, 2493, 2770, 3324, 3646, 4155, 4986, 5469, 5540, 7292, 8310, 9115, 9972, 10938, 12465, 16407, 16620, 18230, 21876, 24930, 27345, 32814, 36460, 49860, 54690, 65628, 82035, 109380, 164070, 328140, 504971, 1009942, 1514913, 2019884, 2524855, 3029826, 4544739, 5049710, 6059652, 7574565, 9089478, 10099420, 15149130, 18178956, 22723695, 30298260, 45447390, 90894780]

約数ペア:

[(1, 90894780), (2, 45447390), (3, 30298260), (4, 22723695), (5, 18178956), (6, 15149130), (9, 10099420), (10, 9089478), (12, 7574565), (15, 6059652), (18, 5049710), (20, 4544739), (30, 3029826), (36, 2524855), (45, 2019884), (60, 1514913), (90, 1009942), (180, 504971), (277, 328140), (554, 164070), (831, 109380), (1108, 82035), (1385, 65628), (1662, 54690), (1823, 49860), (2493, 36460), (2770, 32814), (3324, 27345), (3646, 24930), (4155, 21876), (4986, 18230), (5469, 16620), (5540, 16407), (7292, 12465), (8310, 10938), (9115, 9972)]