121445440

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1987}}^1$

素因数の和:2195

約数の個数: 56

約数和(自身を含む): 290852352

約数和(自身を除く): 169406912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1528, 1910, 1987, 3056, 3820, 3974, 6112, 7640, 7948, 9935, 12224, 15280, 15896, 19870, 30560, 31792, 39740, 61120, 63584, 79480, 127168, 158960, 317920, 379517, 635840, 759034, 1518068, 1897585, 3036136, 3795170, 6072272, 7590340, 12144544, 15180680, 24289088, 30361360, 60722720, 121445440]

約数ペア:

[(1, 121445440), (2, 60722720), (4, 30361360), (5, 24289088), (8, 15180680), (10, 12144544), (16, 7590340), (20, 6072272), (32, 3795170), (40, 3036136), (64, 1897585), (80, 1518068), (160, 759034), (191, 635840), (320, 379517), (382, 317920), (764, 158960), (955, 127168), (1528, 79480), (1910, 63584), (1987, 61120), (3056, 39740), (3820, 31792), (3974, 30560), (6112, 19870), (7640, 15896), (7948, 15280), (9935, 12224)]