28087140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20353}}^1$

素因数の和:20388

約数の個数: 48

約数和(自身を含む): 82067328

約数和(自身を除く): 53980188

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, 20353, 40706, 61059, 81412, 101765, 122118, 203530, 244236, 305295, 407060, 468119, 610590, 936238, 1221180, 1404357, 1872476, 2340595, 2808714, 4681190, 5617428, 7021785, 9362380, 14043570, 28087140]

約数ペア:

[(1, 28087140), (2, 14043570), (3, 9362380), (4, 7021785), (5, 5617428), (6, 4681190), (10, 2808714), (12, 2340595), (15, 1872476), (20, 1404357), (23, 1221180), (30, 936238), (46, 610590), (60, 468119), (69, 407060), (92, 305295), (115, 244236), (138, 203530), (230, 122118), (276, 101765), (345, 81412), (460, 61059), (690, 40706), (1380, 20353)]