15420000

素因数分解:

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

素因数の和:290

約数の個数: 120

約数和(自身を含む): 50777496

約数和(自身を除く): 35357496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 257, 300, 375, 400, 480, 500, 514, 600, 625, 750, 771, 800, 1000, 1028, 1200, 1250, 1285, 1500, 1542, 1875, 2000, 2056, 2400, 2500, 2570, 3000, 3084, 3750, 3855, 4000, 4112, 5000, 5140, 6000, 6168, 6425, 7500, 7710, 8224, 10000, 10280, 12000, 12336, 12850, 15000, 15420, 19275, 20000, 20560, 24672, 25700, 30000, 30840, 32125, 38550, 41120, 51400, 60000, 61680, 64250, 77100, 96375, 102800, 123360, 128500, 154200, 160625, 192750, 205600, 257000, 308400, 321250, 385500, 481875, 514000, 616800, 642500, 771000, 963750, 1028000, 1285000, 1542000, 1927500, 2570000, 3084000, 3855000, 5140000, 7710000, 15420000]

約数ペア:

[(1, 15420000), (2, 7710000), (3, 5140000), (4, 3855000), (5, 3084000), (6, 2570000), (8, 1927500), (10, 1542000), (12, 1285000), (15, 1028000), (16, 963750), (20, 771000), (24, 642500), (25, 616800), (30, 514000), (32, 481875), (40, 385500), (48, 321250), (50, 308400), (60, 257000), (75, 205600), (80, 192750), (96, 160625), (100, 154200), (120, 128500), (125, 123360), (150, 102800), (160, 96375), (200, 77100), (240, 64250), (250, 61680), (257, 60000), (300, 51400), (375, 41120), (400, 38550), (480, 32125), (500, 30840), (514, 30000), (600, 25700), (625, 24672), (750, 20560), (771, 20000), (800, 19275), (1000, 15420), (1028, 15000), (1200, 12850), (1250, 12336), (1285, 12000), (1500, 10280), (1542, 10000), (1875, 8224), (2000, 7710), (2056, 7500), (2400, 6425), (2500, 6168), (2570, 6000), (3000, 5140), (3084, 5000), (3750, 4112), (3855, 4000)]