177974460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42989}}^1$

素因数の和:43027

約数の個数: 72

約数和(自身を含む): 563340960

約数和(自身を除く): 385366500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 42989, 85978, 128967, 171956, 214945, 257934, 386901, 429890, 515868, 644835, 773802, 859780, 988747, 1289670, 1547604, 1934505, 1977494, 2579340, 2966241, 3869010, 3954988, 4943735, 5932482, 7738020, 8898723, 9887470, 11864964, 14831205, 17797446, 19774940, 29662410, 35594892, 44493615, 59324820, 88987230, 177974460]

約数ペア:

[(1, 177974460), (2, 88987230), (3, 59324820), (4, 44493615), (5, 35594892), (6, 29662410), (9, 19774940), (10, 17797446), (12, 14831205), (15, 11864964), (18, 9887470), (20, 8898723), (23, 7738020), (30, 5932482), (36, 4943735), (45, 3954988), (46, 3869010), (60, 2966241), (69, 2579340), (90, 1977494), (92, 1934505), (115, 1547604), (138, 1289670), (180, 988747), (207, 859780), (230, 773802), (276, 644835), (345, 515868), (414, 429890), (460, 386901), (690, 257934), (828, 214945), (1035, 171956), (1380, 128967), (2070, 85978), (4140, 42989)]