257788140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{509}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 756725760

約数和(自身を除く): 498937620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 367, 460, 509, 690, 734, 1018, 1101, 1380, 1468, 1527, 1835, 2036, 2202, 2545, 3054, 3670, 4404, 5090, 5505, 6108, 7340, 7635, 8441, 10180, 11010, 11707, 15270, 16882, 22020, 23414, 25323, 30540, 33764, 35121, 42205, 46828, 50646, 58535, 70242, 84410, 101292, 117070, 126615, 140484, 168820, 175605, 186803, 234140, 253230, 351210, 373606, 506460, 560409, 702420, 747212, 934015, 1120818, 1868030, 2241636, 2802045, 3736060, 4296469, 5604090, 8592938, 11208180, 12889407, 17185876, 21482345, 25778814, 42964690, 51557628, 64447035, 85929380, 128894070, 257788140]

約数ペア:

[(1, 257788140), (2, 128894070), (3, 85929380), (4, 64447035), (5, 51557628), (6, 42964690), (10, 25778814), (12, 21482345), (15, 17185876), (20, 12889407), (23, 11208180), (30, 8592938), (46, 5604090), (60, 4296469), (69, 3736060), (92, 2802045), (115, 2241636), (138, 1868030), (230, 1120818), (276, 934015), (345, 747212), (367, 702420), (460, 560409), (509, 506460), (690, 373606), (734, 351210), (1018, 253230), (1101, 234140), (1380, 186803), (1468, 175605), (1527, 168820), (1835, 140484), (2036, 126615), (2202, 117070), (2545, 101292), (3054, 84410), (3670, 70242), (4404, 58535), (5090, 50646), (5505, 46828), (6108, 42205), (7340, 35121), (7635, 33764), (8441, 30540), (10180, 25323), (11010, 23414), (11707, 22020), (15270, 16882)]