78857340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57143}}^1$

素因数の和:57178

約数の個数: 48

約数和(自身を含む): 230404608

約数和(自身を除く): 151547268

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, 1380, 57143, 114286, 171429, 228572, 285715, 342858, 571430, 685716, 857145, 1142860, 1314289, 1714290, 2628578, 3428580, 3942867, 5257156, 6571445, 7885734, 13142890, 15771468, 19714335, 26285780, 39428670, 78857340]

約数ペア:

[(1, 78857340), (2, 39428670), (3, 26285780), (4, 19714335), (5, 15771468), (6, 13142890), (10, 7885734), (12, 6571445), (15, 5257156), (20, 3942867), (23, 3428580), (30, 2628578), (46, 1714290), (60, 1314289), (69, 1142860), (92, 857145), (115, 685716), (138, 571430), (230, 342858), (276, 285715), (345, 228572), (460, 171429), (690, 114286), (1380, 57143)]