3855000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 12089880

約数和(自身を除く): 8234880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 257, 300, 375, 500, 514, 600, 625, 750, 771, 1000, 1028, 1250, 1285, 1500, 1542, 1875, 2056, 2500, 2570, 3000, 3084, 3750, 3855, 5000, 5140, 6168, 6425, 7500, 7710, 10280, 12850, 15000, 15420, 19275, 25700, 30840, 32125, 38550, 51400, 64250, 77100, 96375, 128500, 154200, 160625, 192750, 257000, 321250, 385500, 481875, 642500, 771000, 963750, 1285000, 1927500, 3855000]

約数ペア:

[(1, 3855000), (2, 1927500), (3, 1285000), (4, 963750), (5, 771000), (6, 642500), (8, 481875), (10, 385500), (12, 321250), (15, 257000), (20, 192750), (24, 160625), (25, 154200), (30, 128500), (40, 96375), (50, 77100), (60, 64250), (75, 51400), (100, 38550), (120, 32125), (125, 30840), (150, 25700), (200, 19275), (250, 15420), (257, 15000), (300, 12850), (375, 10280), (500, 7710), (514, 7500), (600, 6425), (625, 6168), (750, 5140), (771, 5000), (1000, 3855), (1028, 3750), (1250, 3084), (1285, 3000), (1500, 2570), (1542, 2500), (1875, 2056)]