128565000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{2857}}^1$

素因数の和:2889

約数の個数: 120

約数和(自身を含む): 435259110

約数和(自身を除く): 306694110

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 2857, 3000, 3750, 4500, 5000, 5625, 5714, 7500, 8571, 9000, 11250, 11428, 14285, 15000, 17142, 22500, 22856, 25713, 28570, 34284, 42855, 45000, 51426, 57140, 68568, 71425, 85710, 102852, 114280, 128565, 142850, 171420, 205704, 214275, 257130, 285700, 342840, 357125, 428550, 514260, 571400, 642825, 714250, 857100, 1028520, 1071375, 1285650, 1428500, 1714200, 1785625, 2142750, 2571300, 2857000, 3214125, 3571250, 4285500, 5142600, 5356875, 6428250, 7142500, 8571000, 10713750, 12856500, 14285000, 16070625, 21427500, 25713000, 32141250, 42855000, 64282500, 128565000]

約数ペア:

[(1, 128565000), (2, 64282500), (3, 42855000), (4, 32141250), (5, 25713000), (6, 21427500), (8, 16070625), (9, 14285000), (10, 12856500), (12, 10713750), (15, 8571000), (18, 7142500), (20, 6428250), (24, 5356875), (25, 5142600), (30, 4285500), (36, 3571250), (40, 3214125), (45, 2857000), (50, 2571300), (60, 2142750), (72, 1785625), (75, 1714200), (90, 1428500), (100, 1285650), (120, 1071375), (125, 1028520), (150, 857100), (180, 714250), (200, 642825), (225, 571400), (250, 514260), (300, 428550), (360, 357125), (375, 342840), (450, 285700), (500, 257130), (600, 214275), (625, 205704), (750, 171420), (900, 142850), (1000, 128565), (1125, 114280), (1250, 102852), (1500, 85710), (1800, 71425), (1875, 68568), (2250, 57140), (2500, 51426), (2857, 45000), (3000, 42855), (3750, 34284), (4500, 28570), (5000, 25713), (5625, 22856), (5714, 22500), (7500, 17142), (8571, 15000), (9000, 14285), (11250, 11428)]