2172120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 6808320

約数和(自身を除く): 4636200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 787, 920, 1380, 1574, 2361, 2760, 3148, 3935, 4722, 6296, 7870, 9444, 11805, 15740, 18101, 18888, 23610, 31480, 36202, 47220, 54303, 72404, 90505, 94440, 108606, 144808, 181010, 217212, 271515, 362020, 434424, 543030, 724040, 1086060, 2172120]

約数ペア:

[(1, 2172120), (2, 1086060), (3, 724040), (4, 543030), (5, 434424), (6, 362020), (8, 271515), (10, 217212), (12, 181010), (15, 144808), (20, 108606), (23, 94440), (24, 90505), (30, 72404), (40, 54303), (46, 47220), (60, 36202), (69, 31480), (92, 23610), (115, 18888), (120, 18101), (138, 15740), (184, 11805), (230, 9444), (276, 7870), (345, 6296), (460, 4722), (552, 3935), (690, 3148), (787, 2760), (920, 2361), (1380, 1574)]