172800080

素因数分解:

$2^4\times 5^1\times {\mathrm{2160001}}^1$

素因数の和:2160014

約数の個数: 20

約数和(自身を含む): 401760372

約数和(自身を除く): 228960292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2160001, 4320002, 8640004, 10800005, 17280008, 21600010, 34560016, 43200020, 86400040, 172800080]

約数ペア:

[(1, 172800080), (2, 86400040), (4, 43200020), (5, 34560016), (8, 21600010), (10, 17280008), (16, 10800005), (20, 8640004), (40, 4320002), (80, 2160001)]