81148308120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20491997}}^1$

素因数の和:20492025

約数の個数: 96

約数和(自身を含む): 287707651920

約数和(自身を除く): 206559343800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20491997, 40983994, 61475991, 81967988, 102459985, 122951982, 163935976, 184427973, 204919970, 225411967, 245903964, 307379955, 368855946, 409839940, 450823934, 491807928, 614759910, 676235901, 737711892, 819679880, 901647868, 922139865, 1127059835, 1229519820, 1352471802, 1475423784, 1803295736, 1844279730, 2028707703, 2254119670, 2459039640, 2704943604, 3381179505, 3688559460, 4057415406, 4508239340, 5409887208, 6762359010, 7377118920, 8114830812, 9016478680, 10143538515, 13524718020, 16229661624, 20287077030, 27049436040, 40574154060, 81148308120]

約数ペア:

[(1, 81148308120), (2, 40574154060), (3, 27049436040), (4, 20287077030), (5, 16229661624), (6, 13524718020), (8, 10143538515), (9, 9016478680), (10, 8114830812), (11, 7377118920), (12, 6762359010), (15, 5409887208), (18, 4508239340), (20, 4057415406), (22, 3688559460), (24, 3381179505), (30, 2704943604), (33, 2459039640), (36, 2254119670), (40, 2028707703), (44, 1844279730), (45, 1803295736), (55, 1475423784), (60, 1352471802), (66, 1229519820), (72, 1127059835), (88, 922139865), (90, 901647868), (99, 819679880), (110, 737711892), (120, 676235901), (132, 614759910), (165, 491807928), (180, 450823934), (198, 409839940), (220, 368855946), (264, 307379955), (330, 245903964), (360, 225411967), (396, 204919970), (440, 184427973), (495, 163935976), (660, 122951982), (792, 102459985), (990, 81967988), (1320, 61475991), (1980, 40983994), (3960, 20491997)]