20570400

素因数分解:

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

素因数の和:2883

約数の個数: 108

約数和(自身を含む): 72561762

約数和(自身を除く): 51991362

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2857, 3600, 5714, 7200, 8571, 11428, 14285, 17142, 22856, 25713, 28570, 34284, 42855, 45712, 51426, 57140, 68568, 71425, 85710, 91424, 102852, 114280, 128565, 137136, 142850, 171420, 205704, 214275, 228560, 257130, 274272, 285700, 342840, 411408, 428550, 457120, 514260, 571400, 642825, 685680, 822816, 857100, 1028520, 1142800, 1285650, 1371360, 1714200, 2057040, 2285600, 2571300, 3428400, 4114080, 5142600, 6856800, 10285200, 20570400]

約数ペア:

[(1, 20570400), (2, 10285200), (3, 6856800), (4, 5142600), (5, 4114080), (6, 3428400), (8, 2571300), (9, 2285600), (10, 2057040), (12, 1714200), (15, 1371360), (16, 1285650), (18, 1142800), (20, 1028520), (24, 857100), (25, 822816), (30, 685680), (32, 642825), (36, 571400), (40, 514260), (45, 457120), (48, 428550), (50, 411408), (60, 342840), (72, 285700), (75, 274272), (80, 257130), (90, 228560), (96, 214275), (100, 205704), (120, 171420), (144, 142850), (150, 137136), (160, 128565), (180, 114280), (200, 102852), (225, 91424), (240, 85710), (288, 71425), (300, 68568), (360, 57140), (400, 51426), (450, 45712), (480, 42855), (600, 34284), (720, 28570), (800, 25713), (900, 22856), (1200, 17142), (1440, 14285), (1800, 11428), (2400, 8571), (2857, 7200), (3600, 5714)]