1778820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 5201280

約数和(自身を除く): 3422460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1289, 1380, 2578, 3867, 5156, 6445, 7734, 12890, 15468, 19335, 25780, 29647, 38670, 59294, 77340, 88941, 118588, 148235, 177882, 296470, 355764, 444705, 592940, 889410, 1778820]

約数ペア:

[(1, 1778820), (2, 889410), (3, 592940), (4, 444705), (5, 355764), (6, 296470), (10, 177882), (12, 148235), (15, 118588), (20, 88941), (23, 77340), (30, 59294), (46, 38670), (60, 29647), (69, 25780), (92, 19335), (115, 15468), (138, 12890), (230, 7734), (276, 6445), (345, 5156), (460, 3867), (690, 2578), (1289, 1380)]