39978000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{2221}}^1$

素因数の和:2250

約数の個数: 120

約数和(自身を含む): 139692696

約数和(自身を除く): 99714696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1125, 1200, 1500, 1800, 2000, 2221, 2250, 3000, 3600, 4442, 4500, 6000, 6663, 8884, 9000, 11105, 13326, 17768, 18000, 19989, 22210, 26652, 33315, 35536, 39978, 44420, 53304, 55525, 66630, 79956, 88840, 99945, 106608, 111050, 133260, 159912, 166575, 177680, 199890, 222100, 266520, 277625, 319824, 333150, 399780, 444200, 499725, 533040, 555250, 666300, 799560, 832875, 888400, 999450, 1110500, 1332600, 1599120, 1665750, 1998900, 2221000, 2498625, 2665200, 3331500, 3997800, 4442000, 4997250, 6663000, 7995600, 9994500, 13326000, 19989000, 39978000]

約数ペア:

[(1, 39978000), (2, 19989000), (3, 13326000), (4, 9994500), (5, 7995600), (6, 6663000), (8, 4997250), (9, 4442000), (10, 3997800), (12, 3331500), (15, 2665200), (16, 2498625), (18, 2221000), (20, 1998900), (24, 1665750), (25, 1599120), (30, 1332600), (36, 1110500), (40, 999450), (45, 888400), (48, 832875), (50, 799560), (60, 666300), (72, 555250), (75, 533040), (80, 499725), (90, 444200), (100, 399780), (120, 333150), (125, 319824), (144, 277625), (150, 266520), (180, 222100), (200, 199890), (225, 177680), (240, 166575), (250, 159912), (300, 133260), (360, 111050), (375, 106608), (400, 99945), (450, 88840), (500, 79956), (600, 66630), (720, 55525), (750, 53304), (900, 44420), (1000, 39978), (1125, 35536), (1200, 33315), (1500, 26652), (1800, 22210), (2000, 19989), (2221, 18000), (2250, 17768), (3000, 13326), (3600, 11105), (4442, 9000), (4500, 8884), (6000, 6663)]