42740720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 114823008

約数和(自身を除く): 72082288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2857, 2992, 3740, 5714, 7480, 11428, 14285, 14960, 22856, 28570, 31427, 45712, 48569, 57140, 62854, 97138, 114280, 125708, 157135, 194276, 228560, 242845, 251416, 314270, 388552, 485690, 502832, 534259, 628540, 777104, 971380, 1068518, 1257080, 1942760, 2137036, 2514160, 2671295, 3885520, 4274072, 5342590, 8548144, 10685180, 21370360, 42740720]

約数ペア:

[(1, 42740720), (2, 21370360), (4, 10685180), (5, 8548144), (8, 5342590), (10, 4274072), (11, 3885520), (16, 2671295), (17, 2514160), (20, 2137036), (22, 1942760), (34, 1257080), (40, 1068518), (44, 971380), (55, 777104), (68, 628540), (80, 534259), (85, 502832), (88, 485690), (110, 388552), (136, 314270), (170, 251416), (176, 242845), (187, 228560), (220, 194276), (272, 157135), (340, 125708), (374, 114280), (440, 97138), (680, 62854), (748, 57140), (880, 48569), (935, 45712), (1360, 31427), (1496, 28570), (1870, 22856), (2857, 14960), (2992, 14285), (3740, 11428), (5714, 7480)]