71999640

素因数分解:

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

素因数の和:200016

約数の個数: 48

約数和(自身を含む): 234000000

約数和(自身を除く): 162000360

約数列:

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

約数ペア:

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