143999280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199999}}^1$

素因数の和:200018

約数の個数: 60

約数和(自身を含む): 483600000

約数和(自身を除く): 339600720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 199999, 399998, 599997, 799996, 999995, 1199994, 1599992, 1799991, 1999990, 2399988, 2999985, 3199984, 3599982, 3999980, 4799976, 5999970, 7199964, 7999960, 8999955, 9599952, 11999940, 14399928, 15999920, 17999910, 23999880, 28799856, 35999820, 47999760, 71999640, 143999280]

約数ペア:

[(1, 143999280), (2, 71999640), (3, 47999760), (4, 35999820), (5, 28799856), (6, 23999880), (8, 17999910), (9, 15999920), (10, 14399928), (12, 11999940), (15, 9599952), (16, 8999955), (18, 7999960), (20, 7199964), (24, 5999970), (30, 4799976), (36, 3999980), (40, 3599982), (45, 3199984), (48, 2999985), (60, 2399988), (72, 1999990), (80, 1799991), (90, 1599992), (120, 1199994), (144, 999995), (180, 799996), (240, 599997), (360, 399998), (720, 199999)]