177280120

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{3433}}^1$

素因数の和:4735

約数の個数: 32

約数和(自身を含む): 399305520

約数和(自身を除く): 222025400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 3433, 5164, 6455, 6866, 10328, 12910, 13732, 17165, 25820, 27464, 34330, 51640, 68660, 137320, 4432003, 8864006, 17728012, 22160015, 35456024, 44320030, 88640060, 177280120]

約数ペア:

[(1, 177280120), (2, 88640060), (4, 44320030), (5, 35456024), (8, 22160015), (10, 17728012), (20, 8864006), (40, 4432003), (1291, 137320), (2582, 68660), (3433, 51640), (5164, 34330), (6455, 27464), (6866, 25820), (10328, 17165), (12910, 13732)]