1289144080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2302043}}^1$

素因数の和:2302063

約数の個数: 40

約数和(自身を含む): 3425441472

約数和(自身を除く): 2136297392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2302043, 4604086, 9208172, 11510215, 16114301, 18416344, 23020430, 32228602, 36832688, 46040860, 64457204, 80571505, 92081720, 128914408, 161143010, 184163440, 257828816, 322286020, 644572040, 1289144080]

約数ペア:

[(1, 1289144080), (2, 644572040), (4, 322286020), (5, 257828816), (7, 184163440), (8, 161143010), (10, 128914408), (14, 92081720), (16, 80571505), (20, 64457204), (28, 46040860), (35, 36832688), (40, 32228602), (56, 23020430), (70, 18416344), (80, 16114301), (112, 11510215), (140, 9208172), (280, 4604086), (560, 2302043)]