128868660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6691}}^1$

素因数の和:6813

約数の個数: 72

約数和(自身を含む): 394613856

約数和(自身を除く): 265745196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6420, 6691, 9630, 13382, 19260, 20073, 26764, 33455, 40146, 60219, 66910, 80292, 100365, 120438, 133820, 200730, 240876, 301095, 401460, 602190, 715937, 1204380, 1431874, 2147811, 2863748, 3579685, 4295622, 6443433, 7159370, 8591244, 10739055, 12886866, 14318740, 21478110, 25773732, 32217165, 42956220, 64434330, 128868660]

約数ペア:

[(1, 128868660), (2, 64434330), (3, 42956220), (4, 32217165), (5, 25773732), (6, 21478110), (9, 14318740), (10, 12886866), (12, 10739055), (15, 8591244), (18, 7159370), (20, 6443433), (30, 4295622), (36, 3579685), (45, 2863748), (60, 2147811), (90, 1431874), (107, 1204380), (180, 715937), (214, 602190), (321, 401460), (428, 301095), (535, 240876), (642, 200730), (963, 133820), (1070, 120438), (1284, 100365), (1605, 80292), (1926, 66910), (2140, 60219), (3210, 40146), (3852, 33455), (4815, 26764), (6420, 20073), (6691, 19260), (9630, 13382)]