19878000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3313}}^1$

素因数の和:3339

約数の個数: 80

約数和(自身を含む): 64106016

約数和(自身を除く): 44228016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3313, 6000, 6626, 9939, 13252, 16565, 19878, 26504, 33130, 39756, 49695, 53008, 66260, 79512, 82825, 99390, 132520, 159024, 165650, 198780, 248475, 265040, 331300, 397560, 414125, 496950, 662600, 795120, 828250, 993900, 1242375, 1325200, 1656500, 1987800, 2484750, 3313000, 3975600, 4969500, 6626000, 9939000, 19878000]

約数ペア:

[(1, 19878000), (2, 9939000), (3, 6626000), (4, 4969500), (5, 3975600), (6, 3313000), (8, 2484750), (10, 1987800), (12, 1656500), (15, 1325200), (16, 1242375), (20, 993900), (24, 828250), (25, 795120), (30, 662600), (40, 496950), (48, 414125), (50, 397560), (60, 331300), (75, 265040), (80, 248475), (100, 198780), (120, 165650), (125, 159024), (150, 132520), (200, 99390), (240, 82825), (250, 79512), (300, 66260), (375, 53008), (400, 49695), (500, 39756), (600, 33130), (750, 26504), (1000, 19878), (1200, 16565), (1500, 13252), (2000, 9939), (3000, 6626), (3313, 6000)]