165722120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{243709}}^1$

素因数の和:243737

約数の個数: 32

約数和(自身を含む): 394810200

約数和(自身を除く): 229088080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 243709, 487418, 974836, 1218545, 1949672, 2437090, 4143053, 4874180, 8286106, 9748360, 16572212, 20715265, 33144424, 41430530, 82861060, 165722120]

約数ペア:

[(1, 165722120), (2, 82861060), (4, 41430530), (5, 33144424), (8, 20715265), (10, 16572212), (17, 9748360), (20, 8286106), (34, 4874180), (40, 4143053), (68, 2437090), (85, 1949672), (136, 1218545), (170, 974836), (340, 487418), (680, 243709)]