1721320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 4043520

約数和(自身を除く): 2322200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1871, 3742, 7484, 9355, 14968, 18710, 37420, 43033, 74840, 86066, 172132, 215165, 344264, 430330, 860660, 1721320]

約数ペア:

[(1, 1721320), (2, 860660), (4, 430330), (5, 344264), (8, 215165), (10, 172132), (20, 86066), (23, 74840), (40, 43033), (46, 37420), (92, 18710), (115, 14968), (184, 9355), (230, 7484), (460, 3742), (920, 1871)]